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|
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|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" checked>
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
V2 Documentation
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2" id="__nav_2_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
|
||
<label class="md-nav__title" for="__nav_2">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
V2 Documentation
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_2" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../getting-started/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Getting Started
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_2" id="__nav_2_2_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_2_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_2">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Getting Started
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../getting-started/quick-start/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Quick Start
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_3" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../architecture/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Architecture
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_3" id="__nav_2_3_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_3">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Architecture
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../architecture/dual-api/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Dual API System
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../architecture/authentication/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Authentication & Security
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_4" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../backend/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Backend
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_4" id="__nav_2_4_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_4">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Backend
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../backend/modules/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Modules
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../backend/services/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Services
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../backend/middleware/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Middleware
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../backend/utilities/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Utilities
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_5" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../frontend/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Frontend
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_5" id="__nav_2_5_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_5">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Frontend
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../frontend/components/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Components
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../frontend/layouts/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Layouts
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../frontend/pages/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Pages
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_6" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../database/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Database
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_6" id="__nav_2_6_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_6">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Database
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../database/schema/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Schema Overview
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../database/migrations/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Migrations
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../database/seeding/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Seeding
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../database/indexes/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Indexes
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../database/models/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Models
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_7" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../features/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Features
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_7" id="__nav_2_7_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_7">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Features
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../features/influence/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Influence
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../features/map/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Map
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../features/landing-pages/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Landing Pages
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../features/email-templates/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Email Templates
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../features/media/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Media
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../features/newsletter/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Newsletter
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../features/observability/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Observability
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../features/tunnel/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Tunnel
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_8" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../deployment/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Deployment
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_8" id="__nav_2_8_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_8">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Deployment
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/docker-compose/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Docker Compose
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/environment-variables/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Environment Variables
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/nginx/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Nginx Configuration
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/ssl-tls/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
SSL/TLS
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/tunneling/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Tunneling
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/monitoring-stack/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Monitoring Stack
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/healthchecks/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Health Checks
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/scaling/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Scaling
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../deployment/backup-restore/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Backup & Restore
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_9" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../development/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Development
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_9" id="__nav_2_9_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_9_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_9">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Development
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/local-setup/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Local Setup
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/docker-workflow/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Docker Workflow
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/git-workflow/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Git Workflow
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/npm-commands/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
NPM Commands
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/migrations/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Migrations
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/typescript/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
TypeScript
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/testing/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Testing
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/debugging/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Debugging
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../development/code-style/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Code Style
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_10" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../api-reference/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
API Reference
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_10_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_10">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
API Reference
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_11" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../user-guides/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
User Guides
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_11" id="__nav_2_11_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_11_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_11">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
User Guides
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../user-guides/admin-guide/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Admin Guide
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../user-guides/campaign-manager-guide/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Campaign Manager Guide
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../user-guides/map-organizer-guide/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Map Organizer Guide
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../user-guides/content-editor-guide/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Content Editor Guide
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../user-guides/volunteer-guide/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Volunteer Guide
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_12" checked>
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Troubleshooting
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_12" id="__nav_2_12_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_12_label" aria-expanded="true">
|
||
<label class="md-nav__title" for="__nav_2_12">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Troubleshooting
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../faq/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
FAQ
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../common-errors/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Common Errors
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../auth-issues/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Auth Issues
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../database-issues/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Database Issues
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--active">
|
||
|
||
<input class="md-nav__toggle md-toggle" type="checkbox" id="__toc">
|
||
|
||
|
||
|
||
|
||
|
||
<label class="md-nav__link md-nav__link--active" for="__toc">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Docker Issues
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
<a href="./" class="md-nav__link md-nav__link--active">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Docker Issues
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
|
||
|
||
|
||
<nav class="md-nav md-nav--secondary" aria-label="On this page">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<label class="md-nav__title" for="__toc">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
On this page
|
||
</label>
|
||
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#overview" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Overview
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Overview">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#docker-troubleshooting-approach" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Docker Troubleshooting Approach
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#essential-docker-commands" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Essential Docker Commands
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#container-wont-start" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Container Won't Start
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Container Won't Start">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#port-already-in-use" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Port Already in Use
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Port Already in Use">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#volume-mount-errors" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Volume Mount Errors
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Volume Mount Errors">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_1" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_1" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_1" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_1" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#missing-environment-variables" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Missing Environment Variables
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Missing Environment Variables">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_2" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_2" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_2" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_2" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#health-check-failures" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Health Check Failures
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Health Check Failures">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_3" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_3" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_3" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_3" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#container-crashes" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Container Crashes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Container Crashes">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#out-of-memory" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Out of Memory
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Out of Memory">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_4" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_4" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_4" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_4" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#application-errors" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Application Errors
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Application Errors">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_5" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_5" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_5" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_5" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#database-connection-failures" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Database Connection Failures
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Database Connection Failures">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_6" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_6" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_6" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_6" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#networking-issues" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Networking Issues
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Networking Issues">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#containers-cant-communicate" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Containers Can't Communicate
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Containers Can't Communicate">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_7" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_7" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_7" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_7" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#port-not-accessible-from-host" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Port Not Accessible from Host
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Port Not Accessible from Host">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_8" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_8" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_8" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_8" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#dns-resolution-failures" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
DNS Resolution Failures
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="DNS Resolution Failures">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_9" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_9" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_9" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_9" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#volume-issues" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Volume Issues
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Volume Issues">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#permission-denied" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Permission Denied
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Permission Denied">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_10" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_10" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_10" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_10" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#volume-not-mounted" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Volume Not Mounted
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Volume Not Mounted">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_11" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_11" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_11" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_11" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#data-persistence-problems" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Data Persistence Problems
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Data Persistence Problems">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_12" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_12" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_12" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_12" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#performance-issues" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Performance Issues
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Performance Issues">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#slow-container-startup" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Slow Container Startup
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Slow Container Startup">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_13" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_13" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_13" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_13" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#high-cpu-usage" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
High CPU Usage
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="High CPU Usage">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_14" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_14" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_14" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_14" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#high-memory-usage" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
High Memory Usage
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="High Memory Usage">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_15" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_15" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_15" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_15" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#useful-commands" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Useful Commands
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Useful Commands">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#viewing-logs" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Viewing Logs
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#executing-commands" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Executing Commands
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#inspecting-containers" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Inspecting Containers
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#container-management" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Container Management
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#rebuilding" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Rebuilding
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#log-analysis" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Log Analysis
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Log Analysis">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#reading-container-logs" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Reading Container Logs
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-log-patterns" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Log Patterns
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#filtering-logs" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Filtering Logs
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#cleanup-commands" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Cleanup Commands
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Cleanup Commands">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#remove-stopped-containers" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Remove Stopped Containers
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#remove-images" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Remove Images
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#remove-volumes" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Remove Volumes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#remove-networks" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Remove Networks
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#full-cleanup" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Full Cleanup
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#safe-cleanup" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Safe Cleanup
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#related-documentation" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Related Documentation
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Related Documentation">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#docker-documentation" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Docker Documentation
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#other-troubleshooting" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Other Troubleshooting
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#docker-resources" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Docker Resources
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../email-issues/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Email Issues
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../geocoding-issues/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Geocoding Issues
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../monitoring-issues/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Monitoring Issues
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../performance-optimization/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Performance Optimization
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_13" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../migration/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Migration
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_13" id="__nav_2_13_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_13_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_13">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Migration
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../migration/feature-parity/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Feature Parity
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../migration/breaking-changes/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Breaking Changes
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../migration/api-changes/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
API Changes
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../migration/data-migration/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Data Migration
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--section md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_2_14" >
|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../contributing/" class="md-nav__link ">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Contributing
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_2_14" id="__nav_2_14_label" tabindex="">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_14_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_2_14">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
|
||
Contributing
|
||
|
||
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../contributing/development-setup/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Development Setup
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../contributing/code-of-conduct/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Code of Conduct
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../contributing/pull-requests/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Pull Requests
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../contributing/roadmap/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Roadmap
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../../phil/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Philosophy
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../../v1/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
V1 Documentation (Legacy)
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--pruned md-nav__item--nested">
|
||
|
||
|
||
|
||
|
||
|
||
<a href="../../../blog/" class="md-nav__link">
|
||
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
|
||
|
||
Blog
|
||
|
||
|
||
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-nav__icon md-icon"></span>
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
|
||
|
||
<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
|
||
<div class="md-sidebar__scrollwrap">
|
||
<div class="md-sidebar__inner">
|
||
|
||
|
||
|
||
|
||
<nav class="md-nav md-nav--secondary" aria-label="On this page">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<label class="md-nav__title" for="__toc">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
On this page
|
||
</label>
|
||
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#overview" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Overview
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Overview">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#docker-troubleshooting-approach" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Docker Troubleshooting Approach
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#essential-docker-commands" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Essential Docker Commands
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#container-wont-start" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Container Won't Start
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Container Won't Start">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#port-already-in-use" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Port Already in Use
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Port Already in Use">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#volume-mount-errors" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Volume Mount Errors
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Volume Mount Errors">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_1" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_1" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_1" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_1" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#missing-environment-variables" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Missing Environment Variables
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Missing Environment Variables">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_2" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_2" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_2" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_2" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#health-check-failures" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Health Check Failures
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Health Check Failures">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_3" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_3" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_3" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_3" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#container-crashes" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Container Crashes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Container Crashes">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#out-of-memory" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Out of Memory
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Out of Memory">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_4" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_4" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_4" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_4" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#application-errors" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Application Errors
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Application Errors">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_5" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_5" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_5" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_5" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#database-connection-failures" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Database Connection Failures
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Database Connection Failures">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_6" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_6" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_6" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_6" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#networking-issues" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Networking Issues
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Networking Issues">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#containers-cant-communicate" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Containers Can't Communicate
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Containers Can't Communicate">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_7" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_7" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_7" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_7" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#port-not-accessible-from-host" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Port Not Accessible from Host
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Port Not Accessible from Host">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_8" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_8" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_8" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_8" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#dns-resolution-failures" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
DNS Resolution Failures
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="DNS Resolution Failures">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_9" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_9" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_9" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_9" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#volume-issues" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Volume Issues
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Volume Issues">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#permission-denied" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Permission Denied
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Permission Denied">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_10" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_10" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_10" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_10" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#volume-not-mounted" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Volume Not Mounted
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Volume Not Mounted">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_11" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_11" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_11" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_11" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#data-persistence-problems" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Data Persistence Problems
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Data Persistence Problems">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_12" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_12" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_12" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_12" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#performance-issues" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Performance Issues
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Performance Issues">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#slow-container-startup" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Slow Container Startup
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Slow Container Startup">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_13" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_13" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_13" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_13" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#high-cpu-usage" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
High CPU Usage
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="High CPU Usage">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_14" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_14" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_14" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_14" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#high-memory-usage" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
High Memory Usage
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="High Memory Usage">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#symptoms_15" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Symptoms
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-causes_15" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Causes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#solutions_15" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Solutions
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#prevention_15" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Prevention
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#useful-commands" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Useful Commands
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Useful Commands">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#viewing-logs" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Viewing Logs
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#executing-commands" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Executing Commands
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#inspecting-containers" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Inspecting Containers
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#container-management" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Container Management
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#rebuilding" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Rebuilding
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#log-analysis" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Log Analysis
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Log Analysis">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#reading-container-logs" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Reading Container Logs
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#common-log-patterns" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Common Log Patterns
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#filtering-logs" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Filtering Logs
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#cleanup-commands" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Cleanup Commands
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Cleanup Commands">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#remove-stopped-containers" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Remove Stopped Containers
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#remove-images" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Remove Images
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#remove-volumes" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Remove Volumes
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#remove-networks" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Remove Networks
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#full-cleanup" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Full Cleanup
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#safe-cleanup" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Safe Cleanup
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#related-documentation" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Related Documentation
|
||
|
||
</span>
|
||
</a>
|
||
|
||
<nav class="md-nav" aria-label="Related Documentation">
|
||
<ul class="md-nav__list">
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#docker-documentation" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Docker Documentation
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#other-troubleshooting" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Other Troubleshooting
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
<li class="md-nav__item">
|
||
<a href="#docker-resources" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
|
||
Docker Resources
|
||
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
</ul>
|
||
|
||
</nav>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
|
||
|
||
<div class="md-content" data-md-component="content">
|
||
|
||
|
||
|
||
|
||
|
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<nav class="md-path" aria-label="Navigation" >
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<li class="md-path__item">
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<a href="../../.." class="md-path__link">
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Home
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V2 Documentation
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<a href="../" class="md-path__link">
|
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<span class="md-ellipsis">
|
||
Troubleshooting
|
||
</span>
|
||
|
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</a>
|
||
</li>
|
||
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||
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|
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|
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<article class="md-content__inner md-typeset">
|
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|
||
|
||
|
||
<a href="https://gitea.bnkops.com/admin/changemaker.lite/src/branch/main/mkdocs/docs/v2/troubleshooting/docker-issues.md" title="Edit this page" class="md-content__button md-icon" rel="edit">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4zm10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1z"/></svg>
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<a href="https://gitea.bnkops.com/admin/changemaker.lite/src/branch/main/mkdocs/docs/v2/troubleshooting/docker-issues.md" title="View source of this page" class="md-content__button md-icon">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.2 8.2 0 0 1-1.23-2"/></svg>
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||
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||
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||
|
||
<h1 id="docker-and-container-issues">Docker and Container Issues<a class="headerlink" href="#docker-and-container-issues" title="Permanent link">¶</a></h1>
|
||
<p>This guide covers Docker-specific problems in Changemaker Lite V2.</p>
|
||
<h2 id="overview">Overview<a class="headerlink" href="#overview" title="Permanent link">¶</a></h2>
|
||
<h3 id="docker-troubleshooting-approach">Docker Troubleshooting Approach<a class="headerlink" href="#docker-troubleshooting-approach" title="Permanent link">¶</a></h3>
|
||
<ol>
|
||
<li><strong>Check status</strong> - Are containers running?</li>
|
||
<li><strong>Read logs</strong> - What do container logs show?</li>
|
||
<li><strong>Inspect configuration</strong> - Is docker-compose.yml correct?</li>
|
||
<li><strong>Test connectivity</strong> - Can containers communicate?</li>
|
||
<li><strong>Resource check</strong> - Enough CPU/memory/disk?</li>
|
||
</ol>
|
||
<h3 id="essential-docker-commands">Essential Docker Commands<a class="headerlink" href="#essential-docker-commands" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="c1"># View running containers</span>
|
||
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>ps
|
||
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>
|
||
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="c1"># View all containers (including stopped)</span>
|
||
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>ps<span class="w"> </span>-a
|
||
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a>
|
||
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="c1"># View logs</span>
|
||
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span><span class="o">[</span>service-name<span class="o">]</span>
|
||
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a>
|
||
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="c1"># Follow logs in real-time</span>
|
||
</span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>-f<span class="w"> </span><span class="o">[</span>service-name<span class="o">]</span>
|
||
</span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a>
|
||
</span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a><span class="c1"># Execute command in container</span>
|
||
</span><span id="__span-0-14"><a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span><span class="o">[</span>service-name<span class="o">]</span><span class="w"> </span><span class="o">[</span>command<span class="o">]</span>
|
||
</span><span id="__span-0-15"><a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a>
|
||
</span><span id="__span-0-16"><a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a><span class="c1"># Restart service</span>
|
||
</span><span id="__span-0-17"><a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a>docker<span class="w"> </span>compose<span class="w"> </span>restart<span class="w"> </span><span class="o">[</span>service-name<span class="o">]</span>
|
||
</span><span id="__span-0-18"><a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a>
|
||
</span><span id="__span-0-19"><a id="__codelineno-0-19" name="__codelineno-0-19" href="#__codelineno-0-19"></a><span class="c1"># Stop all services</span>
|
||
</span><span id="__span-0-20"><a id="__codelineno-0-20" name="__codelineno-0-20" href="#__codelineno-0-20"></a>docker<span class="w"> </span>compose<span class="w"> </span>down
|
||
</span><span id="__span-0-21"><a id="__codelineno-0-21" name="__codelineno-0-21" href="#__codelineno-0-21"></a>
|
||
</span><span id="__span-0-22"><a id="__codelineno-0-22" name="__codelineno-0-22" href="#__codelineno-0-22"></a><span class="c1"># Start services</span>
|
||
</span><span id="__span-0-23"><a id="__codelineno-0-23" name="__codelineno-0-23" href="#__codelineno-0-23"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d
|
||
</span><span id="__span-0-24"><a id="__codelineno-0-24" name="__codelineno-0-24" href="#__codelineno-0-24"></a>
|
||
</span><span id="__span-0-25"><a id="__codelineno-0-25" name="__codelineno-0-25" href="#__codelineno-0-25"></a><span class="c1"># Rebuild and start</span>
|
||
</span><span id="__span-0-26"><a id="__codelineno-0-26" name="__codelineno-0-26" href="#__codelineno-0-26"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>--build<span class="w"> </span><span class="o">[</span>service-name<span class="o">]</span>
|
||
</span></code></pre></div>
|
||
<hr />
|
||
<h2 id="container-wont-start">Container Won't Start<a class="headerlink" href="#container-wont-start" title="Permanent link">¶</a></h2>
|
||
<h3 id="port-already-in-use">Port Already in Use<a class="headerlink" href="#port-already-in-use" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms">Symptoms<a class="headerlink" href="#symptoms" title="Permanent link">¶</a></h4>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a>Error response from daemon: driver failed programming external connectivity
|
||
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a>on endpoint changemaker-lite-admin-1: Bind for 0.0.0.0:3000 failed:
|
||
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a>port is already allocated
|
||
</span></code></pre></div>
|
||
<p>Or:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-2-1"><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a>ERROR: for api Cannot start service api: Ports are not available:
|
||
</span><span id="__span-2-2"><a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>exposing port TCP 0.0.0.0:4000 -> 0.0.0.0:0: listen tcp 0.0.0.0:4000:
|
||
</span><span id="__span-2-3"><a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a>bind: address already in use
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes">Common Causes<a class="headerlink" href="#common-causes" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Another container using port</strong> - Different Docker project</li>
|
||
<li><strong>Host process using port</strong> - npm dev server running</li>
|
||
<li><strong>Previous container not stopped</strong> - Old container still running</li>
|
||
<li><strong>Port conflict in docker-compose.yml</strong> - Two services same port</li>
|
||
</ol>
|
||
<h4 id="solutions">Solutions<a class="headerlink" href="#solutions" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Find what's using the port</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-3-1"><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a><span class="c1"># Linux/Mac</span>
|
||
</span><span id="__span-3-2"><a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a>sudo<span class="w"> </span>lsof<span class="w"> </span>-i<span class="w"> </span>:4000
|
||
</span><span id="__span-3-3"><a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a>
|
||
</span><span id="__span-3-4"><a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a><span class="c1"># Or with netstat</span>
|
||
</span><span id="__span-3-5"><a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a>netstat<span class="w"> </span>-tuln<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>:4000
|
||
</span><span id="__span-3-6"><a id="__codelineno-3-6" name="__codelineno-3-6" href="#__codelineno-3-6"></a>
|
||
</span><span id="__span-3-7"><a id="__codelineno-3-7" name="__codelineno-3-7" href="#__codelineno-3-7"></a><span class="c1"># Windows</span>
|
||
</span><span id="__span-3-8"><a id="__codelineno-3-8" name="__codelineno-3-8" href="#__codelineno-3-8"></a>netstat<span class="w"> </span>-ano<span class="w"> </span><span class="p">|</span><span class="w"> </span>findstr<span class="w"> </span>:4000
|
||
</span></code></pre></div>
|
||
<p>Output shows:
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-4-1"><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
|
||
</span><span id="__span-4-2"><a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>node 12345 user 23u IPv4 123456 0t0 TCP *:4000 (LISTEN)
|
||
</span></code></pre></div></p>
|
||
<p><strong>Solution 2: Stop conflicting process</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-5-1"><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="c1"># Kill process by PID</span>
|
||
</span><span id="__span-5-2"><a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a><span class="nb">kill</span><span class="w"> </span><span class="m">12345</span>
|
||
</span><span id="__span-5-3"><a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>
|
||
</span><span id="__span-5-4"><a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="c1"># Or kill all node processes (careful!)</span>
|
||
</span><span id="__span-5-5"><a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a>killall<span class="w"> </span>node
|
||
</span><span id="__span-5-6"><a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a>
|
||
</span><span id="__span-5-7"><a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a><span class="c1"># Or stop other Docker containers</span>
|
||
</span><span id="__span-5-8"><a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a>docker<span class="w"> </span>ps<span class="w"> </span><span class="c1"># List all running containers</span>
|
||
</span><span id="__span-5-9"><a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a>docker<span class="w"> </span>stop<span class="w"> </span>container-name-or-id
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Change port in docker-compose.yml</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-6-1"><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="c1"># In docker-compose.yml</span>
|
||
</span><span id="__span-6-2"><a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-6-3"><a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a><span class="w"> </span><span class="nt">ports</span><span class="p">:</span>
|
||
</span><span id="__span-6-4"><a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="s">"4002:4000"</span><span class="w"> </span><span class="c1"># Changed from 4000:4000</span>
|
||
</span></code></pre></div>
|
||
<p>Then:</p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-7-1"><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="c1"># Restart with new port</span>
|
||
</span><span id="__span-7-2"><a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>api
|
||
</span><span id="__span-7-3"><a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a>
|
||
</span><span id="__span-7-4"><a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a><span class="c1"># Update .env to use new port</span>
|
||
</span><span id="__span-7-5"><a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a><span class="nv">VITE_API_URL</span><span class="o">=</span>http://localhost:4002
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Stop all and restart</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-8-1"><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a><span class="c1"># Stop all Changemaker Lite containers</span>
|
||
</span><span id="__span-8-2"><a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down
|
||
</span><span id="__span-8-3"><a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a>
|
||
</span><span id="__span-8-4"><a id="__codelineno-8-4" name="__codelineno-8-4" href="#__codelineno-8-4"></a><span class="c1"># Verify nothing running</span>
|
||
</span><span id="__span-8-5"><a id="__codelineno-8-5" name="__codelineno-8-5" href="#__codelineno-8-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>ps
|
||
</span><span id="__span-8-6"><a id="__codelineno-8-6" name="__codelineno-8-6" href="#__codelineno-8-6"></a>
|
||
</span><span id="__span-8-7"><a id="__codelineno-8-7" name="__codelineno-8-7" href="#__codelineno-8-7"></a><span class="c1"># Start fresh</span>
|
||
</span><span id="__span-8-8"><a id="__codelineno-8-8" name="__codelineno-8-8" href="#__codelineno-8-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d
|
||
</span></code></pre></div>
|
||
<h4 id="prevention">Prevention<a class="headerlink" href="#prevention" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Use unique ports</strong> - Avoid common ports (3000, 4000, 8000, 8080)</li>
|
||
<li><strong>Stop properly</strong> - Always use <code>docker compose down</code></li>
|
||
<li><strong>Check before start</strong> - Run <code>docker compose ps</code> first</li>
|
||
<li><strong>Document ports</strong> - Keep port reference updated</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="volume-mount-errors">Volume Mount Errors<a class="headerlink" href="#volume-mount-errors" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms_1">Symptoms<a class="headerlink" href="#symptoms_1" title="Permanent link">¶</a></h4>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-9-1"><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a>Error response from daemon: invalid mount config for type "bind":
|
||
</span><span id="__span-9-2"><a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>bind source path does not exist: /home/user/changemaker.lite/uploads
|
||
</span></code></pre></div>
|
||
<p>Or:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-10-1"><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a>Error: EACCES: permission denied, open '/media/local/inbox/video.mp4'
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes_1">Common Causes<a class="headerlink" href="#common-causes_1" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Path doesn't exist</strong> - Directory not created</li>
|
||
<li><strong>Permission denied</strong> - Container can't access directory</li>
|
||
<li><strong>Wrong path</strong> - Typo in docker-compose.yml</li>
|
||
<li><strong>SELinux blocking</strong> - Linux security policy</li>
|
||
</ol>
|
||
<h4 id="solutions_1">Solutions<a class="headerlink" href="#solutions_1" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Create missing directories</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-11-1"><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="c1"># Create all required directories</span>
|
||
</span><span id="__span-11-2"><a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a>mkdir<span class="w"> </span>-p<span class="w"> </span>uploads
|
||
</span><span id="__span-11-3"><a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a>mkdir<span class="w"> </span>-p<span class="w"> </span>media/local/inbox
|
||
</span><span id="__span-11-4"><a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a>mkdir<span class="w"> </span>-p<span class="w"> </span>media/local/library
|
||
</span><span id="__span-11-5"><a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a>mkdir<span class="w"> </span>-p<span class="w"> </span>data
|
||
</span><span id="__span-11-6"><a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a>mkdir<span class="w"> </span>-p<span class="w"> </span>configs/prometheus
|
||
</span><span id="__span-11-7"><a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a>mkdir<span class="w"> </span>-p<span class="w"> </span>configs/grafana
|
||
</span><span id="__span-11-8"><a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a>
|
||
</span><span id="__span-11-9"><a id="__codelineno-11-9" name="__codelineno-11-9" href="#__codelineno-11-9"></a><span class="c1"># Verify they exist</span>
|
||
</span><span id="__span-11-10"><a id="__codelineno-11-10" name="__codelineno-11-10" href="#__codelineno-11-10"></a>ls<span class="w"> </span>-la
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Fix permissions</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-12-1"><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a><span class="c1"># Make directories writable</span>
|
||
</span><span id="__span-12-2"><a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a>chmod<span class="w"> </span>-R<span class="w"> </span><span class="m">777</span><span class="w"> </span>uploads
|
||
</span><span id="__span-12-3"><a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a>chmod<span class="w"> </span>-R<span class="w"> </span><span class="m">777</span><span class="w"> </span>media/local/inbox
|
||
</span><span id="__span-12-4"><a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a>
|
||
</span><span id="__span-12-5"><a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a><span class="c1"># Or set ownership to container user</span>
|
||
</span><span id="__span-12-6"><a id="__codelineno-12-6" name="__codelineno-12-6" href="#__codelineno-12-6"></a><span class="c1"># Check container user ID</span>
|
||
</span><span id="__span-12-7"><a id="__codelineno-12-7" name="__codelineno-12-7" href="#__codelineno-12-7"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>id
|
||
</span><span id="__span-12-8"><a id="__codelineno-12-8" name="__codelineno-12-8" href="#__codelineno-12-8"></a><span class="c1"># uid=1000(node) gid=1000(node)</span>
|
||
</span><span id="__span-12-9"><a id="__codelineno-12-9" name="__codelineno-12-9" href="#__codelineno-12-9"></a>
|
||
</span><span id="__span-12-10"><a id="__codelineno-12-10" name="__codelineno-12-10" href="#__codelineno-12-10"></a><span class="c1"># Set ownership</span>
|
||
</span><span id="__span-12-11"><a id="__codelineno-12-11" name="__codelineno-12-11" href="#__codelineno-12-11"></a>sudo<span class="w"> </span>chown<span class="w"> </span>-R<span class="w"> </span><span class="m">1000</span>:1000<span class="w"> </span>uploads
|
||
</span><span id="__span-12-12"><a id="__codelineno-12-12" name="__codelineno-12-12" href="#__codelineno-12-12"></a>sudo<span class="w"> </span>chown<span class="w"> </span>-R<span class="w"> </span><span class="m">1000</span>:1000<span class="w"> </span>media
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Check volume configuration</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-13-1"><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-13-2"><a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a><span class="w"> </span><span class="nt">volumes</span><span class="p">:</span>
|
||
</span><span id="__span-13-3"><a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a><span class="w"> </span><span class="c1"># Correct format:</span>
|
||
</span><span id="__span-13-4"><a id="__codelineno-13-4" name="__codelineno-13-4" href="#__codelineno-13-4"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./uploads:/app/uploads:rw</span><span class="w"> </span><span class="c1"># Read-write</span>
|
||
</span><span id="__span-13-5"><a id="__codelineno-13-5" name="__codelineno-13-5" href="#__codelineno-13-5"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./media:/media:ro</span><span class="w"> </span><span class="c1"># Read-only</span>
|
||
</span><span id="__span-13-6"><a id="__codelineno-13-6" name="__codelineno-13-6" href="#__codelineno-13-6"></a>
|
||
</span><span id="__span-13-7"><a id="__codelineno-13-7" name="__codelineno-13-7" href="#__codelineno-13-7"></a><span class="w"> </span><span class="c1"># Wrong formats:</span>
|
||
</span><span id="__span-13-8"><a id="__codelineno-13-8" name="__codelineno-13-8" href="#__codelineno-13-8"></a><span class="w"> </span><span class="c1"># - uploads:/app/uploads # Named volume, not bind mount</span>
|
||
</span><span id="__span-13-9"><a id="__codelineno-13-9" name="__codelineno-13-9" href="#__codelineno-13-9"></a><span class="w"> </span><span class="c1"># - /uploads:/app/uploads # Absolute path on host</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Disable SELinux (last resort)</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-14-1"><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="c1"># Check if SELinux is the issue</span>
|
||
</span><span id="__span-14-2"><a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a>getenforce
|
||
</span><span id="__span-14-3"><a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a><span class="c1"># If "Enforcing":</span>
|
||
</span><span id="__span-14-4"><a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a>
|
||
</span><span id="__span-14-5"><a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a><span class="c1"># Option 1: Add :z flag to volume</span>
|
||
</span><span id="__span-14-6"><a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a><span class="c1"># In docker-compose.yml:</span>
|
||
</span><span id="__span-14-7"><a id="__codelineno-14-7" name="__codelineno-14-7" href="#__codelineno-14-7"></a><span class="w"> </span>-<span class="w"> </span>./uploads:/app/uploads:z
|
||
</span><span id="__span-14-8"><a id="__codelineno-14-8" name="__codelineno-14-8" href="#__codelineno-14-8"></a>
|
||
</span><span id="__span-14-9"><a id="__codelineno-14-9" name="__codelineno-14-9" href="#__codelineno-14-9"></a><span class="c1"># Option 2: Temporarily disable (not recommended)</span>
|
||
</span><span id="__span-14-10"><a id="__codelineno-14-10" name="__codelineno-14-10" href="#__codelineno-14-10"></a>sudo<span class="w"> </span>setenforce<span class="w"> </span><span class="m">0</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Verify mount inside container</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-15-1"><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a><span class="c1"># Check if mount exists</span>
|
||
</span><span id="__span-15-2"><a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ls<span class="w"> </span>-la<span class="w"> </span>/app/uploads
|
||
</span><span id="__span-15-3"><a id="__codelineno-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a>
|
||
</span><span id="__span-15-4"><a id="__codelineno-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></a><span class="c1"># Check permissions</span>
|
||
</span><span id="__span-15-5"><a id="__codelineno-15-5" name="__codelineno-15-5" href="#__codelineno-15-5"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ls<span class="w"> </span>-ld<span class="w"> </span>/app/uploads
|
||
</span><span id="__span-15-6"><a id="__codelineno-15-6" name="__codelineno-15-6" href="#__codelineno-15-6"></a>
|
||
</span><span id="__span-15-7"><a id="__codelineno-15-7" name="__codelineno-15-7" href="#__codelineno-15-7"></a><span class="c1"># Try creating file</span>
|
||
</span><span id="__span-15-8"><a id="__codelineno-15-8" name="__codelineno-15-8" href="#__codelineno-15-8"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>touch<span class="w"> </span>/app/uploads/test.txt
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_1">Prevention<a class="headerlink" href="#prevention_1" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Create directories first</strong> - Before <code>docker compose up</code></li>
|
||
<li><strong>Set permissions early</strong> - In setup script</li>
|
||
<li><strong>Use relative paths</strong> - Start with <code>./</code> in docker-compose.yml</li>
|
||
<li><strong>Document requirements</strong> - List all required directories</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="missing-environment-variables">Missing Environment Variables<a class="headerlink" href="#missing-environment-variables" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms_2">Symptoms<a class="headerlink" href="#symptoms_2" title="Permanent link">¶</a></h4>
|
||
<p>Container logs show:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-16-1"><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a>Error: DATABASE_URL is required
|
||
</span></code></pre></div>
|
||
<p>Or:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-17-1"><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a>ZodError: [
|
||
</span><span id="__span-17-2"><a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a> {
|
||
</span><span id="__span-17-3"><a id="__codelineno-17-3" name="__codelineno-17-3" href="#__codelineno-17-3"></a> "code": "invalid_type",
|
||
</span><span id="__span-17-4"><a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></a> "expected": "string",
|
||
</span><span id="__span-17-5"><a id="__codelineno-17-5" name="__codelineno-17-5" href="#__codelineno-17-5"></a> "received": "undefined",
|
||
</span><span id="__span-17-6"><a id="__codelineno-17-6" name="__codelineno-17-6" href="#__codelineno-17-6"></a> "path": ["SMTP_HOST"],
|
||
</span><span id="__span-17-7"><a id="__codelineno-17-7" name="__codelineno-17-7" href="#__codelineno-17-7"></a> "message": "Required"
|
||
</span><span id="__span-17-8"><a id="__codelineno-17-8" name="__codelineno-17-8" href="#__codelineno-17-8"></a> }
|
||
</span><span id="__span-17-9"><a id="__codelineno-17-9" name="__codelineno-17-9" href="#__codelineno-17-9"></a>]
|
||
</span></code></pre></div>
|
||
<p>Or container exits immediately:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-18-1"><a id="__codelineno-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a>changemaker-lite-api-1 exited with code 1
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes_2">Common Causes<a class="headerlink" href="#common-causes_2" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>.env not found</strong> - Missing .env file</li>
|
||
<li><strong>Variable not set</strong> - Missing required variable</li>
|
||
<li><strong>Wrong .env location</strong> - .env not in project root</li>
|
||
<li><strong>Syntax error</strong> - Malformed .env file</li>
|
||
</ol>
|
||
<h4 id="solutions_2">Solutions<a class="headerlink" href="#solutions_2" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Check .env exists</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-19-1"><a id="__codelineno-19-1" name="__codelineno-19-1" href="#__codelineno-19-1"></a><span class="c1"># Verify .env file</span>
|
||
</span><span id="__span-19-2"><a id="__codelineno-19-2" name="__codelineno-19-2" href="#__codelineno-19-2"></a>ls<span class="w"> </span>-la<span class="w"> </span>.env
|
||
</span><span id="__span-19-3"><a id="__codelineno-19-3" name="__codelineno-19-3" href="#__codelineno-19-3"></a>
|
||
</span><span id="__span-19-4"><a id="__codelineno-19-4" name="__codelineno-19-4" href="#__codelineno-19-4"></a><span class="c1"># If missing, copy from example</span>
|
||
</span><span id="__span-19-5"><a id="__codelineno-19-5" name="__codelineno-19-5" href="#__codelineno-19-5"></a>cp<span class="w"> </span>.env.example<span class="w"> </span>.env
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Find missing variables</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-20-1"><a id="__codelineno-20-1" name="__codelineno-20-1" href="#__codelineno-20-1"></a><span class="c1"># View container logs to see which variable</span>
|
||
</span><span id="__span-20-2"><a id="__codelineno-20-2" name="__codelineno-20-2" href="#__codelineno-20-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-i<span class="w"> </span><span class="s2">"required\|undefined"</span>
|
||
</span><span id="__span-20-3"><a id="__codelineno-20-3" name="__codelineno-20-3" href="#__codelineno-20-3"></a>
|
||
</span><span id="__span-20-4"><a id="__codelineno-20-4" name="__codelineno-20-4" href="#__codelineno-20-4"></a><span class="c1"># Example output:</span>
|
||
</span><span id="__span-20-5"><a id="__codelineno-20-5" name="__codelineno-20-5" href="#__codelineno-20-5"></a><span class="c1"># Error: SMTP_HOST is required</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Add missing variables</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-21-1"><a id="__codelineno-21-1" name="__codelineno-21-1" href="#__codelineno-21-1"></a><span class="c1"># Edit .env</span>
|
||
</span><span id="__span-21-2"><a id="__codelineno-21-2" name="__codelineno-21-2" href="#__codelineno-21-2"></a>nano<span class="w"> </span>.env
|
||
</span><span id="__span-21-3"><a id="__codelineno-21-3" name="__codelineno-21-3" href="#__codelineno-21-3"></a>
|
||
</span><span id="__span-21-4"><a id="__codelineno-21-4" name="__codelineno-21-4" href="#__codelineno-21-4"></a><span class="c1"># Add missing variable</span>
|
||
</span><span id="__span-21-5"><a id="__codelineno-21-5" name="__codelineno-21-5" href="#__codelineno-21-5"></a><span class="nv">SMTP_HOST</span><span class="o">=</span>smtp.gmail.com
|
||
</span><span id="__span-21-6"><a id="__codelineno-21-6" name="__codelineno-21-6" href="#__codelineno-21-6"></a>
|
||
</span><span id="__span-21-7"><a id="__codelineno-21-7" name="__codelineno-21-7" href="#__codelineno-21-7"></a><span class="c1"># Save and restart</span>
|
||
</span><span id="__span-21-8"><a id="__codelineno-21-8" name="__codelineno-21-8" href="#__codelineno-21-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>restart<span class="w"> </span>api
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Validate .env format</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-22-1"><a id="__codelineno-22-1" name="__codelineno-22-1" href="#__codelineno-22-1"></a><span class="c1"># Check for common issues:</span>
|
||
</span><span id="__span-22-2"><a id="__codelineno-22-2" name="__codelineno-22-2" href="#__codelineno-22-2"></a><span class="c1"># - No spaces around =</span>
|
||
</span><span id="__span-22-3"><a id="__codelineno-22-3" name="__codelineno-22-3" href="#__codelineno-22-3"></a><span class="c1"># - Quotes for values with spaces</span>
|
||
</span><span id="__span-22-4"><a id="__codelineno-22-4" name="__codelineno-22-4" href="#__codelineno-22-4"></a><span class="c1"># - No trailing commas</span>
|
||
</span><span id="__span-22-5"><a id="__codelineno-22-5" name="__codelineno-22-5" href="#__codelineno-22-5"></a><span class="c1"># - No comments on same line as value</span>
|
||
</span><span id="__span-22-6"><a id="__codelineno-22-6" name="__codelineno-22-6" href="#__codelineno-22-6"></a>
|
||
</span><span id="__span-22-7"><a id="__codelineno-22-7" name="__codelineno-22-7" href="#__codelineno-22-7"></a><span class="c1"># Good:</span>
|
||
</span><span id="__span-22-8"><a id="__codelineno-22-8" name="__codelineno-22-8" href="#__codelineno-22-8"></a><span class="nv">DATABASE_URL</span><span class="o">=</span><span class="s2">"postgresql://user:pass@host:5432/db"</span>
|
||
</span><span id="__span-22-9"><a id="__codelineno-22-9" name="__codelineno-22-9" href="#__codelineno-22-9"></a><span class="nv">CORS_ORIGINS</span><span class="o">=</span>http://localhost:3000,http://localhost:4000
|
||
</span><span id="__span-22-10"><a id="__codelineno-22-10" name="__codelineno-22-10" href="#__codelineno-22-10"></a>
|
||
</span><span id="__span-22-11"><a id="__codelineno-22-11" name="__codelineno-22-11" href="#__codelineno-22-11"></a><span class="c1"># Bad:</span>
|
||
</span><span id="__span-22-12"><a id="__codelineno-22-12" name="__codelineno-22-12" href="#__codelineno-22-12"></a><span class="nv">DATABASE_URL</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"postgresql://..."</span><span class="w"> </span><span class="c1"># Space around =</span>
|
||
</span><span id="__span-22-13"><a id="__codelineno-22-13" name="__codelineno-22-13" href="#__codelineno-22-13"></a><span class="nv">CORS_ORIGINS</span><span class="o">=</span>http://localhost:3000,<span class="w"> </span>http://localhost:4000<span class="w"> </span><span class="c1"># Space after comma</span>
|
||
</span><span id="__span-22-14"><a id="__codelineno-22-14" name="__codelineno-22-14" href="#__codelineno-22-14"></a><span class="nv">SMTP_HOST</span><span class="o">=</span>smtp.gmail.com<span class="w"> </span><span class="c1"># Gmail # Comment on same line</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Check which variables are loaded</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-23-1"><a id="__codelineno-23-1" name="__codelineno-23-1" href="#__codelineno-23-1"></a><span class="c1"># View environment inside container</span>
|
||
</span><span id="__span-23-2"><a id="__codelineno-23-2" name="__codelineno-23-2" href="#__codelineno-23-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>env<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-E<span class="w"> </span><span class="s2">"DATABASE_URL|SMTP_HOST|JWT_"</span>
|
||
</span><span id="__span-23-3"><a id="__codelineno-23-3" name="__codelineno-23-3" href="#__codelineno-23-3"></a>
|
||
</span><span id="__span-23-4"><a id="__codelineno-23-4" name="__codelineno-23-4" href="#__codelineno-23-4"></a><span class="c1"># Should show actual values (not undefined)</span>
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_2">Prevention<a class="headerlink" href="#prevention_2" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Use .env.example</strong> - Keep template updated</li>
|
||
<li><strong>Validation on startup</strong> - Zod validates env in <code>config/env.ts</code></li>
|
||
<li><strong>Documentation</strong> - Document all required variables</li>
|
||
<li><strong>Setup script</strong> - Validate .env before starting</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="health-check-failures">Health Check Failures<a class="headerlink" href="#health-check-failures" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🟠 High</p>
|
||
<h4 id="symptoms_3">Symptoms<a class="headerlink" href="#symptoms_3" title="Permanent link">¶</a></h4>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-24-1"><a id="__codelineno-24-1" name="__codelineno-24-1" href="#__codelineno-24-1"></a>docker<span class="w"> </span>compose<span class="w"> </span>ps
|
||
</span></code></pre></div>
|
||
<p>Shows:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-25-1"><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a>NAME STATUS
|
||
</span><span id="__span-25-2"><a id="__codelineno-25-2" name="__codelineno-25-2" href="#__codelineno-25-2"></a>api Up 30 seconds (unhealthy)
|
||
</span><span id="__span-25-3"><a id="__codelineno-25-3" name="__codelineno-25-3" href="#__codelineno-25-3"></a>v2-postgres Up 1 minute (healthy)
|
||
</span></code></pre></div>
|
||
<p>Or logs show:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-26-1"><a id="__codelineno-26-1" name="__codelineno-26-1" href="#__codelineno-26-1"></a>Health check failed
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes_3">Common Causes<a class="headerlink" href="#common-causes_3" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Service not ready</strong> - Still starting up</li>
|
||
<li><strong>Health check endpoint failing</strong> - /health returns error</li>
|
||
<li><strong>Timeout too short</strong> - Service needs more time</li>
|
||
<li><strong>Dependencies not ready</strong> - Database not connected</li>
|
||
</ol>
|
||
<h4 id="solutions_3">Solutions<a class="headerlink" href="#solutions_3" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Check health check configuration</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-27-1"><a id="__codelineno-27-1" name="__codelineno-27-1" href="#__codelineno-27-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-27-2"><a id="__codelineno-27-2" name="__codelineno-27-2" href="#__codelineno-27-2"></a><span class="w"> </span><span class="nt">healthcheck</span><span class="p">:</span>
|
||
</span><span id="__span-27-3"><a id="__codelineno-27-3" name="__codelineno-27-3" href="#__codelineno-27-3"></a><span class="w"> </span><span class="nt">test</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">"CMD"</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">"wget"</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">"--quiet"</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">"--tries=1"</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">"--spider"</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">"http://localhost:4000/api/health"</span><span class="p p-Indicator">]</span>
|
||
</span><span id="__span-27-4"><a id="__codelineno-27-4" name="__codelineno-27-4" href="#__codelineno-27-4"></a><span class="w"> </span><span class="nt">interval</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">30s</span>
|
||
</span><span id="__span-27-5"><a id="__codelineno-27-5" name="__codelineno-27-5" href="#__codelineno-27-5"></a><span class="w"> </span><span class="nt">timeout</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">10s</span>
|
||
</span><span id="__span-27-6"><a id="__codelineno-27-6" name="__codelineno-27-6" href="#__codelineno-27-6"></a><span class="w"> </span><span class="nt">retries</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">3</span>
|
||
</span><span id="__span-27-7"><a id="__codelineno-27-7" name="__codelineno-27-7" href="#__codelineno-27-7"></a><span class="w"> </span><span class="nt">start_period</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">40s</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Test health endpoint manually</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-28-1"><a id="__codelineno-28-1" name="__codelineno-28-1" href="#__codelineno-28-1"></a><span class="c1"># From inside container</span>
|
||
</span><span id="__span-28-2"><a id="__codelineno-28-2" name="__codelineno-28-2" href="#__codelineno-28-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>wget<span class="w"> </span>-O-<span class="w"> </span>http://localhost:4000/api/health
|
||
</span><span id="__span-28-3"><a id="__codelineno-28-3" name="__codelineno-28-3" href="#__codelineno-28-3"></a>
|
||
</span><span id="__span-28-4"><a id="__codelineno-28-4" name="__codelineno-28-4" href="#__codelineno-28-4"></a><span class="c1"># Should return:</span>
|
||
</span><span id="__span-28-5"><a id="__codelineno-28-5" name="__codelineno-28-5" href="#__codelineno-28-5"></a><span class="c1"># {"status":"healthy","timestamp":"2026-02-13T..."}</span>
|
||
</span><span id="__span-28-6"><a id="__codelineno-28-6" name="__codelineno-28-6" href="#__codelineno-28-6"></a>
|
||
</span><span id="__span-28-7"><a id="__codelineno-28-7" name="__codelineno-28-7" href="#__codelineno-28-7"></a><span class="c1"># From host</span>
|
||
</span><span id="__span-28-8"><a id="__codelineno-28-8" name="__codelineno-28-8" href="#__codelineno-28-8"></a>curl<span class="w"> </span>http://localhost:4000/api/health
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: View health check logs</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-29-1"><a id="__codelineno-29-1" name="__codelineno-29-1" href="#__codelineno-29-1"></a><span class="c1"># Detailed health check output</span>
|
||
</span><span id="__span-29-2"><a id="__codelineno-29-2" name="__codelineno-29-2" href="#__codelineno-29-2"></a>docker<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite-api-1<span class="w"> </span>--format<span class="o">=</span><span class="s1">'{{json .State.Health}}'</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>jq
|
||
</span><span id="__span-29-3"><a id="__codelineno-29-3" name="__codelineno-29-3" href="#__codelineno-29-3"></a>
|
||
</span><span id="__span-29-4"><a id="__codelineno-29-4" name="__codelineno-29-4" href="#__codelineno-29-4"></a><span class="c1"># Shows:</span>
|
||
</span><span id="__span-29-5"><a id="__codelineno-29-5" name="__codelineno-29-5" href="#__codelineno-29-5"></a><span class="c1"># {</span>
|
||
</span><span id="__span-29-6"><a id="__codelineno-29-6" name="__codelineno-29-6" href="#__codelineno-29-6"></a><span class="c1"># "Status": "unhealthy",</span>
|
||
</span><span id="__span-29-7"><a id="__codelineno-29-7" name="__codelineno-29-7" href="#__codelineno-29-7"></a><span class="c1"># "FailingStreak": 3,</span>
|
||
</span><span id="__span-29-8"><a id="__codelineno-29-8" name="__codelineno-29-8" href="#__codelineno-29-8"></a><span class="c1"># "Log": [</span>
|
||
</span><span id="__span-29-9"><a id="__codelineno-29-9" name="__codelineno-29-9" href="#__codelineno-29-9"></a><span class="c1"># {</span>
|
||
</span><span id="__span-29-10"><a id="__codelineno-29-10" name="__codelineno-29-10" href="#__codelineno-29-10"></a><span class="c1"># "Start": "2026-02-13T...",</span>
|
||
</span><span id="__span-29-11"><a id="__codelineno-29-11" name="__codelineno-29-11" href="#__codelineno-29-11"></a><span class="c1"># "End": "2026-02-13T...",</span>
|
||
</span><span id="__span-29-12"><a id="__codelineno-29-12" name="__codelineno-29-12" href="#__codelineno-29-12"></a><span class="c1"># "ExitCode": 1,</span>
|
||
</span><span id="__span-29-13"><a id="__codelineno-29-13" name="__codelineno-29-13" href="#__codelineno-29-13"></a><span class="c1"># "Output": "Error: Connection refused"</span>
|
||
</span><span id="__span-29-14"><a id="__codelineno-29-14" name="__codelineno-29-14" href="#__codelineno-29-14"></a><span class="c1"># }</span>
|
||
</span><span id="__span-29-15"><a id="__codelineno-29-15" name="__codelineno-29-15" href="#__codelineno-29-15"></a><span class="c1"># ]</span>
|
||
</span><span id="__span-29-16"><a id="__codelineno-29-16" name="__codelineno-29-16" href="#__codelineno-29-16"></a><span class="c1"># }</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Increase timeout/interval</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-30-1"><a id="__codelineno-30-1" name="__codelineno-30-1" href="#__codelineno-30-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-30-2"><a id="__codelineno-30-2" name="__codelineno-30-2" href="#__codelineno-30-2"></a><span class="w"> </span><span class="nt">healthcheck</span><span class="p">:</span>
|
||
</span><span id="__span-30-3"><a id="__codelineno-30-3" name="__codelineno-30-3" href="#__codelineno-30-3"></a><span class="w"> </span><span class="nt">interval</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">60s</span><span class="w"> </span><span class="c1"># Check less frequently</span>
|
||
</span><span id="__span-30-4"><a id="__codelineno-30-4" name="__codelineno-30-4" href="#__codelineno-30-4"></a><span class="w"> </span><span class="nt">timeout</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">30s</span><span class="w"> </span><span class="c1"># Allow more time</span>
|
||
</span><span id="__span-30-5"><a id="__codelineno-30-5" name="__codelineno-30-5" href="#__codelineno-30-5"></a><span class="w"> </span><span class="nt">start_period</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">90s</span><span class="w"> </span><span class="c1"># Wait longer before first check</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Check service logs</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-31-1"><a id="__codelineno-31-1" name="__codelineno-31-1" href="#__codelineno-31-1"></a><span class="c1"># Real issue is usually in service logs</span>
|
||
</span><span id="__span-31-2"><a id="__codelineno-31-2" name="__codelineno-31-2" href="#__codelineno-31-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>tail<span class="w"> </span>-50
|
||
</span><span id="__span-31-3"><a id="__codelineno-31-3" name="__codelineno-31-3" href="#__codelineno-31-3"></a>
|
||
</span><span id="__span-31-4"><a id="__codelineno-31-4" name="__codelineno-31-4" href="#__codelineno-31-4"></a><span class="c1"># Common issues:</span>
|
||
</span><span id="__span-31-5"><a id="__codelineno-31-5" name="__codelineno-31-5" href="#__codelineno-31-5"></a><span class="c1"># - Database connection failed</span>
|
||
</span><span id="__span-31-6"><a id="__codelineno-31-6" name="__codelineno-31-6" href="#__codelineno-31-6"></a><span class="c1"># - Missing environment variable</span>
|
||
</span><span id="__span-31-7"><a id="__codelineno-31-7" name="__codelineno-31-7" href="#__codelineno-31-7"></a><span class="c1"># - Port already in use</span>
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_3">Prevention<a class="headerlink" href="#prevention_3" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Reasonable timeouts</strong> - Allow enough time for startup</li>
|
||
<li><strong>Accurate health checks</strong> - Check actual readiness</li>
|
||
<li><strong>Monitor health</strong> - Alert on unhealthy containers</li>
|
||
<li><strong>Dependencies</strong> - Use <code>depends_on</code> with <code>condition: service_healthy</code></li>
|
||
</ul>
|
||
<hr />
|
||
<h2 id="container-crashes">Container Crashes<a class="headerlink" href="#container-crashes" title="Permanent link">¶</a></h2>
|
||
<h3 id="out-of-memory">Out of Memory<a class="headerlink" href="#out-of-memory" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms_4">Symptoms<a class="headerlink" href="#symptoms_4" title="Permanent link">¶</a></h4>
|
||
<p>Container logs show:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-32-1"><a id="__codelineno-32-1" name="__codelineno-32-1" href="#__codelineno-32-1"></a><--- Last few GCs --->
|
||
</span><span id="__span-32-2"><a id="__codelineno-32-2" name="__codelineno-32-2" href="#__codelineno-32-2"></a>[1:0x5588e4f8e000] 65432 ms: Mark-sweep 2048.0 (2048.4) -> 2047.9 (2048.4) MB, 1845.2 / 0.0 ms (average mu = 0.123, current mu = 0.001) allocation failure scavenge might not succeed
|
||
</span><span id="__span-32-3"><a id="__codelineno-32-3" name="__codelineno-32-3" href="#__codelineno-32-3"></a>
|
||
</span><span id="__span-32-4"><a id="__codelineno-32-4" name="__codelineno-32-4" href="#__codelineno-32-4"></a><--- JS stacktrace --->
|
||
</span><span id="__span-32-5"><a id="__codelineno-32-5" name="__codelineno-32-5" href="#__codelineno-32-5"></a>FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory
|
||
</span></code></pre></div>
|
||
<p>Or:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-33-1"><a id="__codelineno-33-1" name="__codelineno-33-1" href="#__codelineno-33-1"></a>Killed
|
||
</span></code></pre></div>
|
||
<p>Or <code>docker compose ps</code> shows:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-34-1"><a id="__codelineno-34-1" name="__codelineno-34-1" href="#__codelineno-34-1"></a>api Exit 137
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes_4">Common Causes<a class="headerlink" href="#common-causes_4" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Memory leak</strong> - Application leaking memory</li>
|
||
<li><strong>Large dataset</strong> - Processing too much data</li>
|
||
<li><strong>Too many connections</strong> - Database connection pool too large</li>
|
||
<li><strong>Container limit</strong> - Memory limit too low</li>
|
||
</ol>
|
||
<h4 id="solutions_4">Solutions<a class="headerlink" href="#solutions_4" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Check memory usage</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-35-1"><a id="__codelineno-35-1" name="__codelineno-35-1" href="#__codelineno-35-1"></a><span class="c1"># View container memory usage</span>
|
||
</span><span id="__span-35-2"><a id="__codelineno-35-2" name="__codelineno-35-2" href="#__codelineno-35-2"></a>docker<span class="w"> </span>stats
|
||
</span><span id="__span-35-3"><a id="__codelineno-35-3" name="__codelineno-35-3" href="#__codelineno-35-3"></a>
|
||
</span><span id="__span-35-4"><a id="__codelineno-35-4" name="__codelineno-35-4" href="#__codelineno-35-4"></a><span class="c1"># Shows:</span>
|
||
</span><span id="__span-35-5"><a id="__codelineno-35-5" name="__codelineno-35-5" href="#__codelineno-35-5"></a><span class="c1"># CONTAINER CPU % MEM USAGE / LIMIT MEM %</span>
|
||
</span><span id="__span-35-6"><a id="__codelineno-35-6" name="__codelineno-35-6" href="#__codelineno-35-6"></a><span class="c1"># api 15.5% 1.2GiB / 2GiB 60%</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Increase Node.js heap size</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-36-1"><a id="__codelineno-36-1" name="__codelineno-36-1" href="#__codelineno-36-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-36-2"><a id="__codelineno-36-2" name="__codelineno-36-2" href="#__codelineno-36-2"></a><span class="w"> </span><span class="nt">environment</span><span class="p">:</span>
|
||
</span><span id="__span-36-3"><a id="__codelineno-36-3" name="__codelineno-36-3" href="#__codelineno-36-3"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">NODE_OPTIONS=--max-old-space-size=4096</span><span class="w"> </span><span class="c1"># 4GB heap</span>
|
||
</span></code></pre></div>
|
||
<p>Or in <code>api/package.json</code>:</p>
|
||
<div class="language-json highlight"><pre><span></span><code><span id="__span-37-1"><a id="__codelineno-37-1" name="__codelineno-37-1" href="#__codelineno-37-1"></a><span class="p">{</span>
|
||
</span><span id="__span-37-2"><a id="__codelineno-37-2" name="__codelineno-37-2" href="#__codelineno-37-2"></a><span class="w"> </span><span class="nt">"scripts"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span>
|
||
</span><span id="__span-37-3"><a id="__codelineno-37-3" name="__codelineno-37-3" href="#__codelineno-37-3"></a><span class="w"> </span><span class="nt">"start"</span><span class="p">:</span><span class="w"> </span><span class="s2">"node --max-old-space-size=4096 dist/server.js"</span>
|
||
</span><span id="__span-37-4"><a id="__codelineno-37-4" name="__codelineno-37-4" href="#__codelineno-37-4"></a><span class="w"> </span><span class="p">}</span>
|
||
</span><span id="__span-37-5"><a id="__codelineno-37-5" name="__codelineno-37-5" href="#__codelineno-37-5"></a><span class="p">}</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Increase container memory limit</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-38-1"><a id="__codelineno-38-1" name="__codelineno-38-1" href="#__codelineno-38-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-38-2"><a id="__codelineno-38-2" name="__codelineno-38-2" href="#__codelineno-38-2"></a><span class="w"> </span><span class="nt">deploy</span><span class="p">:</span>
|
||
</span><span id="__span-38-3"><a id="__codelineno-38-3" name="__codelineno-38-3" href="#__codelineno-38-3"></a><span class="w"> </span><span class="nt">resources</span><span class="p">:</span>
|
||
</span><span id="__span-38-4"><a id="__codelineno-38-4" name="__codelineno-38-4" href="#__codelineno-38-4"></a><span class="w"> </span><span class="nt">limits</span><span class="p">:</span>
|
||
</span><span id="__span-38-5"><a id="__codelineno-38-5" name="__codelineno-38-5" href="#__codelineno-38-5"></a><span class="w"> </span><span class="nt">memory</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">4G</span><span class="w"> </span><span class="c1"># Increase from 2G</span>
|
||
</span><span id="__span-38-6"><a id="__codelineno-38-6" name="__codelineno-38-6" href="#__codelineno-38-6"></a><span class="w"> </span><span class="nt">reservations</span><span class="p">:</span>
|
||
</span><span id="__span-38-7"><a id="__codelineno-38-7" name="__codelineno-38-7" href="#__codelineno-38-7"></a><span class="w"> </span><span class="nt">memory</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">2G</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Find memory leak</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-39-1"><a id="__codelineno-39-1" name="__codelineno-39-1" href="#__codelineno-39-1"></a><span class="c1"># Enable heap snapshots</span>
|
||
</span><span id="__span-39-2"><a id="__codelineno-39-2" name="__codelineno-39-2" href="#__codelineno-39-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>node<span class="w"> </span>--inspect<span class="w"> </span>dist/server.js
|
||
</span><span id="__span-39-3"><a id="__codelineno-39-3" name="__codelineno-39-3" href="#__codelineno-39-3"></a>
|
||
</span><span id="__span-39-4"><a id="__codelineno-39-4" name="__codelineno-39-4" href="#__codelineno-39-4"></a><span class="c1"># Or use clinic.js</span>
|
||
</span><span id="__span-39-5"><a id="__codelineno-39-5" name="__codelineno-39-5" href="#__codelineno-39-5"></a>npm<span class="w"> </span>install<span class="w"> </span>-g<span class="w"> </span>clinic
|
||
</span><span id="__span-39-6"><a id="__codelineno-39-6" name="__codelineno-39-6" href="#__codelineno-39-6"></a>clinic<span class="w"> </span>doctor<span class="w"> </span>--<span class="w"> </span>node<span class="w"> </span>dist/server.js
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Reduce memory usage</strong></p>
|
||
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-40-1"><a id="__codelineno-40-1" name="__codelineno-40-1" href="#__codelineno-40-1"></a><span class="c1">// Reduce database connection pool</span>
|
||
</span><span id="__span-40-2"><a id="__codelineno-40-2" name="__codelineno-40-2" href="#__codelineno-40-2"></a><span class="c1">// In prisma/schema.prisma</span>
|
||
</span><span id="__span-40-3"><a id="__codelineno-40-3" name="__codelineno-40-3" href="#__codelineno-40-3"></a><span class="nx">datasource</span><span class="w"> </span><span class="nx">db</span><span class="w"> </span><span class="p">{</span>
|
||
</span><span id="__span-40-4"><a id="__codelineno-40-4" name="__codelineno-40-4" href="#__codelineno-40-4"></a><span class="w"> </span><span class="nx">provider</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"postgresql"</span>
|
||
</span><span id="__span-40-5"><a id="__codelineno-40-5" name="__codelineno-40-5" href="#__codelineno-40-5"></a><span class="w"> </span><span class="nx">url</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">env</span><span class="p">(</span><span class="s2">"DATABASE_URL"</span><span class="p">)</span>
|
||
</span><span id="__span-40-6"><a id="__codelineno-40-6" name="__codelineno-40-6" href="#__codelineno-40-6"></a><span class="w"> </span><span class="c1">// Add connection limit</span>
|
||
</span><span id="__span-40-7"><a id="__codelineno-40-7" name="__codelineno-40-7" href="#__codelineno-40-7"></a><span class="p">}</span>
|
||
</span><span id="__span-40-8"><a id="__codelineno-40-8" name="__codelineno-40-8" href="#__codelineno-40-8"></a>
|
||
</span><span id="__span-40-9"><a id="__codelineno-40-9" name="__codelineno-40-9" href="#__codelineno-40-9"></a><span class="c1">// In DATABASE_URL:</span>
|
||
</span><span id="__span-40-10"><a id="__codelineno-40-10" name="__codelineno-40-10" href="#__codelineno-40-10"></a><span class="nx">DATABASE_URL</span><span class="o">=</span><span class="s2">"postgresql://...?connection_limit=5"</span>
|
||
</span><span id="__span-40-11"><a id="__codelineno-40-11" name="__codelineno-40-11" href="#__codelineno-40-11"></a>
|
||
</span><span id="__span-40-12"><a id="__codelineno-40-12" name="__codelineno-40-12" href="#__codelineno-40-12"></a><span class="c1">// Process data in batches</span>
|
||
</span><span id="__span-40-13"><a id="__codelineno-40-13" name="__codelineno-40-13" href="#__codelineno-40-13"></a><span class="kd">const</span><span class="w"> </span><span class="nx">users</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">prisma</span><span class="p">.</span><span class="nx">user</span><span class="p">.</span><span class="nx">findMany</span><span class="p">({</span>
|
||
</span><span id="__span-40-14"><a id="__codelineno-40-14" name="__codelineno-40-14" href="#__codelineno-40-14"></a><span class="w"> </span><span class="nx">take</span><span class="o">:</span><span class="w"> </span><span class="kt">100</span><span class="p">,</span><span class="w"> </span><span class="c1">// Limit batch size</span>
|
||
</span><span id="__span-40-15"><a id="__codelineno-40-15" name="__codelineno-40-15" href="#__codelineno-40-15"></a><span class="w"> </span><span class="nx">skip</span><span class="o">:</span><span class="w"> </span><span class="kt">offset</span>
|
||
</span><span id="__span-40-16"><a id="__codelineno-40-16" name="__codelineno-40-16" href="#__codelineno-40-16"></a><span class="p">});</span>
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_4">Prevention<a class="headerlink" href="#prevention_4" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Monitor memory</strong> - Alert on high usage</li>
|
||
<li><strong>Generous limits</strong> - Set limits higher than expected usage</li>
|
||
<li><strong>Memory profiling</strong> - Regular memory audits</li>
|
||
<li><strong>Optimize queries</strong> - Reduce data fetched</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="application-errors">Application Errors<a class="headerlink" href="#application-errors" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms_5">Symptoms<a class="headerlink" href="#symptoms_5" title="Permanent link">¶</a></h4>
|
||
<p>Container exits immediately:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-41-1"><a id="__codelineno-41-1" name="__codelineno-41-1" href="#__codelineno-41-1"></a>api-1 exited with code 1
|
||
</span></code></pre></div>
|
||
<p>Logs show:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-42-1"><a id="__codelineno-42-1" name="__codelineno-42-1" href="#__codelineno-42-1"></a>Error: Cannot find module 'express'
|
||
</span></code></pre></div>
|
||
<p>Or:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-43-1"><a id="__codelineno-43-1" name="__codelineno-43-1" href="#__codelineno-43-1"></a>SyntaxError: Unexpected token 'export'
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes_5">Common Causes<a class="headerlink" href="#common-causes_5" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Missing dependencies</strong> - npm install not run</li>
|
||
<li><strong>Build not run</strong> - TypeScript not compiled</li>
|
||
<li><strong>Syntax error</strong> - Code has errors</li>
|
||
<li><strong>Wrong Node version</strong> - Incompatible Node.js version</li>
|
||
</ol>
|
||
<h4 id="solutions_5">Solutions<a class="headerlink" href="#solutions_5" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Rebuild container</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-44-1"><a id="__codelineno-44-1" name="__codelineno-44-1" href="#__codelineno-44-1"></a><span class="c1"># Rebuild with no cache</span>
|
||
</span><span id="__span-44-2"><a id="__codelineno-44-2" name="__codelineno-44-2" href="#__codelineno-44-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>build<span class="w"> </span>--no-cache<span class="w"> </span>api
|
||
</span><span id="__span-44-3"><a id="__codelineno-44-3" name="__codelineno-44-3" href="#__codelineno-44-3"></a>
|
||
</span><span id="__span-44-4"><a id="__codelineno-44-4" name="__codelineno-44-4" href="#__codelineno-44-4"></a><span class="c1"># Start</span>
|
||
</span><span id="__span-44-5"><a id="__codelineno-44-5" name="__codelineno-44-5" href="#__codelineno-44-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>api
|
||
</span><span id="__span-44-6"><a id="__codelineno-44-6" name="__codelineno-44-6" href="#__codelineno-44-6"></a>
|
||
</span><span id="__span-44-7"><a id="__codelineno-44-7" name="__codelineno-44-7" href="#__codelineno-44-7"></a><span class="c1"># View logs</span>
|
||
</span><span id="__span-44-8"><a id="__codelineno-44-8" name="__codelineno-44-8" href="#__codelineno-44-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>-f<span class="w"> </span>api
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Check dependencies</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-45-1"><a id="__codelineno-45-1" name="__codelineno-45-1" href="#__codelineno-45-1"></a><span class="c1"># Verify package.json and package-lock.json exist</span>
|
||
</span><span id="__span-45-2"><a id="__codelineno-45-2" name="__codelineno-45-2" href="#__codelineno-45-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ls<span class="w"> </span>-la<span class="w"> </span>package*.json
|
||
</span><span id="__span-45-3"><a id="__codelineno-45-3" name="__codelineno-45-3" href="#__codelineno-45-3"></a>
|
||
</span><span id="__span-45-4"><a id="__codelineno-45-4" name="__codelineno-45-4" href="#__codelineno-45-4"></a><span class="c1"># Verify node_modules exists</span>
|
||
</span><span id="__span-45-5"><a id="__codelineno-45-5" name="__codelineno-45-5" href="#__codelineno-45-5"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ls<span class="w"> </span>-la<span class="w"> </span>node_modules<span class="w"> </span><span class="p">|</span><span class="w"> </span>head
|
||
</span><span id="__span-45-6"><a id="__codelineno-45-6" name="__codelineno-45-6" href="#__codelineno-45-6"></a>
|
||
</span><span id="__span-45-7"><a id="__codelineno-45-7" name="__codelineno-45-7" href="#__codelineno-45-7"></a><span class="c1"># If missing, install</span>
|
||
</span><span id="__span-45-8"><a id="__codelineno-45-8" name="__codelineno-45-8" href="#__codelineno-45-8"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>npm<span class="w"> </span>install
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Verify build</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-46-1"><a id="__codelineno-46-1" name="__codelineno-46-1" href="#__codelineno-46-1"></a><span class="c1"># Check if TypeScript compiled</span>
|
||
</span><span id="__span-46-2"><a id="__codelineno-46-2" name="__codelineno-46-2" href="#__codelineno-46-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ls<span class="w"> </span>-la<span class="w"> </span>dist/
|
||
</span><span id="__span-46-3"><a id="__codelineno-46-3" name="__codelineno-46-3" href="#__codelineno-46-3"></a>
|
||
</span><span id="__span-46-4"><a id="__codelineno-46-4" name="__codelineno-46-4" href="#__codelineno-46-4"></a><span class="c1"># If missing, build</span>
|
||
</span><span id="__span-46-5"><a id="__codelineno-46-5" name="__codelineno-46-5" href="#__codelineno-46-5"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>npm<span class="w"> </span>run<span class="w"> </span>build
|
||
</span><span id="__span-46-6"><a id="__codelineno-46-6" name="__codelineno-46-6" href="#__codelineno-46-6"></a>
|
||
</span><span id="__span-46-7"><a id="__codelineno-46-7" name="__codelineno-46-7" href="#__codelineno-46-7"></a><span class="c1"># Or rebuild container</span>
|
||
</span><span id="__span-46-8"><a id="__codelineno-46-8" name="__codelineno-46-8" href="#__codelineno-46-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>--build<span class="w"> </span>api
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Check Node version</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-47-1"><a id="__codelineno-47-1" name="__codelineno-47-1" href="#__codelineno-47-1"></a><span class="c1"># Check version in container</span>
|
||
</span><span id="__span-47-2"><a id="__codelineno-47-2" name="__codelineno-47-2" href="#__codelineno-47-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>node<span class="w"> </span>--version
|
||
</span><span id="__span-47-3"><a id="__codelineno-47-3" name="__codelineno-47-3" href="#__codelineno-47-3"></a>
|
||
</span><span id="__span-47-4"><a id="__codelineno-47-4" name="__codelineno-47-4" href="#__codelineno-47-4"></a><span class="c1"># Should match Dockerfile</span>
|
||
</span><span id="__span-47-5"><a id="__codelineno-47-5" name="__codelineno-47-5" href="#__codelineno-47-5"></a>cat<span class="w"> </span>api/Dockerfile<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span><span class="s2">"FROM node:"</span>
|
||
</span><span id="__span-47-6"><a id="__codelineno-47-6" name="__codelineno-47-6" href="#__codelineno-47-6"></a>
|
||
</span><span id="__span-47-7"><a id="__codelineno-47-7" name="__codelineno-47-7" href="#__codelineno-47-7"></a><span class="c1"># Example:</span>
|
||
</span><span id="__span-47-8"><a id="__codelineno-47-8" name="__codelineno-47-8" href="#__codelineno-47-8"></a><span class="c1"># FROM node:20-alpine</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Test locally</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-48-1"><a id="__codelineno-48-1" name="__codelineno-48-1" href="#__codelineno-48-1"></a><span class="c1"># Test build locally</span>
|
||
</span><span id="__span-48-2"><a id="__codelineno-48-2" name="__codelineno-48-2" href="#__codelineno-48-2"></a><span class="nb">cd</span><span class="w"> </span>api
|
||
</span><span id="__span-48-3"><a id="__codelineno-48-3" name="__codelineno-48-3" href="#__codelineno-48-3"></a>npm<span class="w"> </span>install
|
||
</span><span id="__span-48-4"><a id="__codelineno-48-4" name="__codelineno-48-4" href="#__codelineno-48-4"></a>npm<span class="w"> </span>run<span class="w"> </span>build
|
||
</span><span id="__span-48-5"><a id="__codelineno-48-5" name="__codelineno-48-5" href="#__codelineno-48-5"></a>npm<span class="w"> </span>start
|
||
</span><span id="__span-48-6"><a id="__codelineno-48-6" name="__codelineno-48-6" href="#__codelineno-48-6"></a>
|
||
</span><span id="__span-48-7"><a id="__codelineno-48-7" name="__codelineno-48-7" href="#__codelineno-48-7"></a><span class="c1"># If works locally but not in Docker, check:</span>
|
||
</span><span id="__span-48-8"><a id="__codelineno-48-8" name="__codelineno-48-8" href="#__codelineno-48-8"></a><span class="c1"># - Dockerfile COPY commands</span>
|
||
</span><span id="__span-48-9"><a id="__codelineno-48-9" name="__codelineno-48-9" href="#__codelineno-48-9"></a><span class="c1"># - .dockerignore file</span>
|
||
</span><span id="__span-48-10"><a id="__codelineno-48-10" name="__codelineno-48-10" href="#__codelineno-48-10"></a><span class="c1"># - Volume mounts</span>
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_5">Prevention<a class="headerlink" href="#prevention_5" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Multi-stage builds</strong> - Separate build and runtime</li>
|
||
<li><strong>Lock files</strong> - Commit package-lock.json</li>
|
||
<li><strong>CI/CD</strong> - Automated build testing</li>
|
||
<li><strong>Version pinning</strong> - Pin Node.js version</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="database-connection-failures">Database Connection Failures<a class="headerlink" href="#database-connection-failures" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms_6">Symptoms<a class="headerlink" href="#symptoms_6" title="Permanent link">¶</a></h4>
|
||
<p>API logs show:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-49-1"><a id="__codelineno-49-1" name="__codelineno-49-1" href="#__codelineno-49-1"></a>Error: Can't reach database server at `v2-postgres:5432`
|
||
</span><span id="__span-49-2"><a id="__codelineno-49-2" name="__codelineno-49-2" href="#__codelineno-49-2"></a>Error: connect ECONNREFUSED 172.18.0.2:5432
|
||
</span></code></pre></div>
|
||
<p>Container restarts repeatedly.</p>
|
||
<h4 id="common-causes_6">Common Causes<a class="headerlink" href="#common-causes_6" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Database not ready</strong> - API started before database</li>
|
||
<li><strong>Wrong host</strong> - Incorrect database hostname</li>
|
||
<li><strong>Network issue</strong> - Containers on different networks</li>
|
||
<li><strong>Database crashed</strong> - PostgreSQL container down</li>
|
||
</ol>
|
||
<h4 id="solutions_6">Solutions<a class="headerlink" href="#solutions_6" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Check database status</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-50-1"><a id="__codelineno-50-1" name="__codelineno-50-1" href="#__codelineno-50-1"></a><span class="c1"># Is database running?</span>
|
||
</span><span id="__span-50-2"><a id="__codelineno-50-2" name="__codelineno-50-2" href="#__codelineno-50-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>ps<span class="w"> </span>v2-postgres
|
||
</span><span id="__span-50-3"><a id="__codelineno-50-3" name="__codelineno-50-3" href="#__codelineno-50-3"></a>
|
||
</span><span id="__span-50-4"><a id="__codelineno-50-4" name="__codelineno-50-4" href="#__codelineno-50-4"></a><span class="c1"># Should show "Up" status</span>
|
||
</span><span id="__span-50-5"><a id="__codelineno-50-5" name="__codelineno-50-5" href="#__codelineno-50-5"></a><span class="c1"># If not:</span>
|
||
</span><span id="__span-50-6"><a id="__codelineno-50-6" name="__codelineno-50-6" href="#__codelineno-50-6"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>v2-postgres
|
||
</span><span id="__span-50-7"><a id="__codelineno-50-7" name="__codelineno-50-7" href="#__codelineno-50-7"></a>
|
||
</span><span id="__span-50-8"><a id="__codelineno-50-8" name="__codelineno-50-8" href="#__codelineno-50-8"></a><span class="c1"># Check logs</span>
|
||
</span><span id="__span-50-9"><a id="__codelineno-50-9" name="__codelineno-50-9" href="#__codelineno-50-9"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>v2-postgres<span class="w"> </span><span class="p">|</span><span class="w"> </span>tail<span class="w"> </span>-50
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Verify DATABASE_URL</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-51-1"><a id="__codelineno-51-1" name="__codelineno-51-1" href="#__codelineno-51-1"></a><span class="c1"># Check .env</span>
|
||
</span><span id="__span-51-2"><a id="__codelineno-51-2" name="__codelineno-51-2" href="#__codelineno-51-2"></a>cat<span class="w"> </span>.env<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>DATABASE_URL
|
||
</span><span id="__span-51-3"><a id="__codelineno-51-3" name="__codelineno-51-3" href="#__codelineno-51-3"></a>
|
||
</span><span id="__span-51-4"><a id="__codelineno-51-4" name="__codelineno-51-4" href="#__codelineno-51-4"></a><span class="c1"># From API container, should use container name:</span>
|
||
</span><span id="__span-51-5"><a id="__codelineno-51-5" name="__codelineno-51-5" href="#__codelineno-51-5"></a><span class="nv">DATABASE_URL</span><span class="o">=</span><span class="s2">"postgresql://changemaker:password@v2-postgres:5432/changemaker_v2"</span>
|
||
</span><span id="__span-51-6"><a id="__codelineno-51-6" name="__codelineno-51-6" href="#__codelineno-51-6"></a>
|
||
</span><span id="__span-51-7"><a id="__codelineno-51-7" name="__codelineno-51-7" href="#__codelineno-51-7"></a><span class="c1"># From host, use localhost:</span>
|
||
</span><span id="__span-51-8"><a id="__codelineno-51-8" name="__codelineno-51-8" href="#__codelineno-51-8"></a><span class="nv">DATABASE_URL</span><span class="o">=</span><span class="s2">"postgresql://changemaker:password@localhost:5433/changemaker_v2"</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Test database connection</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-52-1"><a id="__codelineno-52-1" name="__codelineno-52-1" href="#__codelineno-52-1"></a><span class="c1"># From API container</span>
|
||
</span><span id="__span-52-2"><a id="__codelineno-52-2" name="__codelineno-52-2" href="#__codelineno-52-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>sh<span class="w"> </span>-c<span class="w"> </span><span class="s1">'psql $DATABASE_URL -c "SELECT NOW();"'</span>
|
||
</span><span id="__span-52-3"><a id="__codelineno-52-3" name="__codelineno-52-3" href="#__codelineno-52-3"></a>
|
||
</span><span id="__span-52-4"><a id="__codelineno-52-4" name="__codelineno-52-4" href="#__codelineno-52-4"></a><span class="c1"># Should return current timestamp</span>
|
||
</span><span id="__span-52-5"><a id="__codelineno-52-5" name="__codelineno-52-5" href="#__codelineno-52-5"></a><span class="c1"># If fails, database connection is broken</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Check Docker network</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-53-1"><a id="__codelineno-53-1" name="__codelineno-53-1" href="#__codelineno-53-1"></a><span class="c1"># List networks</span>
|
||
</span><span id="__span-53-2"><a id="__codelineno-53-2" name="__codelineno-53-2" href="#__codelineno-53-2"></a>docker<span class="w"> </span>network<span class="w"> </span>ls
|
||
</span><span id="__span-53-3"><a id="__codelineno-53-3" name="__codelineno-53-3" href="#__codelineno-53-3"></a>
|
||
</span><span id="__span-53-4"><a id="__codelineno-53-4" name="__codelineno-53-4" href="#__codelineno-53-4"></a><span class="c1"># Inspect changemaker-lite network</span>
|
||
</span><span id="__span-53-5"><a id="__codelineno-53-5" name="__codelineno-53-5" href="#__codelineno-53-5"></a>docker<span class="w"> </span>network<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite
|
||
</span><span id="__span-53-6"><a id="__codelineno-53-6" name="__codelineno-53-6" href="#__codelineno-53-6"></a>
|
||
</span><span id="__span-53-7"><a id="__codelineno-53-7" name="__codelineno-53-7" href="#__codelineno-53-7"></a><span class="c1"># All containers should be on same network</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Use depends_on with health check</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-54-1"><a id="__codelineno-54-1" name="__codelineno-54-1" href="#__codelineno-54-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-54-2"><a id="__codelineno-54-2" name="__codelineno-54-2" href="#__codelineno-54-2"></a><span class="w"> </span><span class="nt">depends_on</span><span class="p">:</span>
|
||
</span><span id="__span-54-3"><a id="__codelineno-54-3" name="__codelineno-54-3" href="#__codelineno-54-3"></a><span class="w"> </span><span class="nt">v2-postgres</span><span class="p">:</span>
|
||
</span><span id="__span-54-4"><a id="__codelineno-54-4" name="__codelineno-54-4" href="#__codelineno-54-4"></a><span class="w"> </span><span class="nt">condition</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">service_healthy</span>
|
||
</span><span id="__span-54-5"><a id="__codelineno-54-5" name="__codelineno-54-5" href="#__codelineno-54-5"></a><span class="w"> </span><span class="c1"># ...</span>
|
||
</span><span id="__span-54-6"><a id="__codelineno-54-6" name="__codelineno-54-6" href="#__codelineno-54-6"></a>
|
||
</span><span id="__span-54-7"><a id="__codelineno-54-7" name="__codelineno-54-7" href="#__codelineno-54-7"></a><span class="nt">v2-postgres</span><span class="p">:</span>
|
||
</span><span id="__span-54-8"><a id="__codelineno-54-8" name="__codelineno-54-8" href="#__codelineno-54-8"></a><span class="w"> </span><span class="nt">healthcheck</span><span class="p">:</span>
|
||
</span><span id="__span-54-9"><a id="__codelineno-54-9" name="__codelineno-54-9" href="#__codelineno-54-9"></a><span class="w"> </span><span class="nt">test</span><span class="p">:</span><span class="w"> </span><span class="p p-Indicator">[</span><span class="s">"CMD-SHELL"</span><span class="p p-Indicator">,</span><span class="w"> </span><span class="s">"pg_isready</span><span class="nv"> </span><span class="s">-U</span><span class="nv"> </span><span class="s">changemaker"</span><span class="p p-Indicator">]</span>
|
||
</span><span id="__span-54-10"><a id="__codelineno-54-10" name="__codelineno-54-10" href="#__codelineno-54-10"></a><span class="w"> </span><span class="nt">interval</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">10s</span>
|
||
</span><span id="__span-54-11"><a id="__codelineno-54-11" name="__codelineno-54-11" href="#__codelineno-54-11"></a><span class="w"> </span><span class="nt">timeout</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">5s</span>
|
||
</span><span id="__span-54-12"><a id="__codelineno-54-12" name="__codelineno-54-12" href="#__codelineno-54-12"></a><span class="w"> </span><span class="nt">retries</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">5</span>
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_6">Prevention<a class="headerlink" href="#prevention_6" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Health checks</strong> - Wait for database to be ready</li>
|
||
<li><strong>Retry logic</strong> - Retry connection on startup</li>
|
||
<li><strong>Connection pooling</strong> - Handle connection failures gracefully</li>
|
||
<li><strong>Monitoring</strong> - Alert on connection failures</li>
|
||
</ul>
|
||
<hr />
|
||
<h2 id="networking-issues">Networking Issues<a class="headerlink" href="#networking-issues" title="Permanent link">¶</a></h2>
|
||
<h3 id="containers-cant-communicate">Containers Can't Communicate<a class="headerlink" href="#containers-cant-communicate" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms_7">Symptoms<a class="headerlink" href="#symptoms_7" title="Permanent link">¶</a></h4>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-55-1"><a id="__codelineno-55-1" name="__codelineno-55-1" href="#__codelineno-55-1"></a>Error: getaddrinfo ENOTFOUND v2-postgres
|
||
</span></code></pre></div>
|
||
<p>Or:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-56-1"><a id="__codelineno-56-1" name="__codelineno-56-1" href="#__codelineno-56-1"></a>Error: connect EHOSTUNREACH 172.18.0.2:5432
|
||
</span></code></pre></div>
|
||
<p>Containers can't ping each other.</p>
|
||
<h4 id="common-causes_7">Common Causes<a class="headerlink" href="#common-causes_7" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Different networks</strong> - Containers on separate Docker networks</li>
|
||
<li><strong>Wrong hostname</strong> - Using IP instead of container name</li>
|
||
<li><strong>Firewall</strong> - Host firewall blocking</li>
|
||
<li><strong>DNS issue</strong> - Docker DNS not working</li>
|
||
</ol>
|
||
<h4 id="solutions_7">Solutions<a class="headerlink" href="#solutions_7" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Verify same network</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-57-1"><a id="__codelineno-57-1" name="__codelineno-57-1" href="#__codelineno-57-1"></a><span class="c1"># Check container networks</span>
|
||
</span><span id="__span-57-2"><a id="__codelineno-57-2" name="__codelineno-57-2" href="#__codelineno-57-2"></a>docker<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite-api-1<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>NetworkMode
|
||
</span><span id="__span-57-3"><a id="__codelineno-57-3" name="__codelineno-57-3" href="#__codelineno-57-3"></a>docker<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite-v2-postgres-1<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>NetworkMode
|
||
</span><span id="__span-57-4"><a id="__codelineno-57-4" name="__codelineno-57-4" href="#__codelineno-57-4"></a>
|
||
</span><span id="__span-57-5"><a id="__codelineno-57-5" name="__codelineno-57-5" href="#__codelineno-57-5"></a><span class="c1"># Should both show "changemaker-lite"</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Use container names</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-58-1"><a id="__codelineno-58-1" name="__codelineno-58-1" href="#__codelineno-58-1"></a><span class="c1"># Correct - use service names</span>
|
||
</span><span id="__span-58-2"><a id="__codelineno-58-2" name="__codelineno-58-2" href="#__codelineno-58-2"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-58-3"><a id="__codelineno-58-3" name="__codelineno-58-3" href="#__codelineno-58-3"></a><span class="w"> </span><span class="nt">environment</span><span class="p">:</span>
|
||
</span><span id="__span-58-4"><a id="__codelineno-58-4" name="__codelineno-58-4" href="#__codelineno-58-4"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">DATABASE_URL=postgresql://user:pass@v2-postgres:5432/db</span>
|
||
</span><span id="__span-58-5"><a id="__codelineno-58-5" name="__codelineno-58-5" href="#__codelineno-58-5"></a>
|
||
</span><span id="__span-58-6"><a id="__codelineno-58-6" name="__codelineno-58-6" href="#__codelineno-58-6"></a><span class="c1"># Wrong - using IPs</span>
|
||
</span><span id="__span-58-7"><a id="__codelineno-58-7" name="__codelineno-58-7" href="#__codelineno-58-7"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-58-8"><a id="__codelineno-58-8" name="__codelineno-58-8" href="#__codelineno-58-8"></a><span class="w"> </span><span class="nt">environment</span><span class="p">:</span>
|
||
</span><span id="__span-58-9"><a id="__codelineno-58-9" name="__codelineno-58-9" href="#__codelineno-58-9"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">DATABASE_URL=postgresql://user:pass@172.18.0.2:5432/db</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Test connectivity</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-59-1"><a id="__codelineno-59-1" name="__codelineno-59-1" href="#__codelineno-59-1"></a><span class="c1"># Ping from one container to another</span>
|
||
</span><span id="__span-59-2"><a id="__codelineno-59-2" name="__codelineno-59-2" href="#__codelineno-59-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ping<span class="w"> </span>v2-postgres
|
||
</span><span id="__span-59-3"><a id="__codelineno-59-3" name="__codelineno-59-3" href="#__codelineno-59-3"></a>
|
||
</span><span id="__span-59-4"><a id="__codelineno-59-4" name="__codelineno-59-4" href="#__codelineno-59-4"></a><span class="c1"># DNS lookup</span>
|
||
</span><span id="__span-59-5"><a id="__codelineno-59-5" name="__codelineno-59-5" href="#__codelineno-59-5"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>nslookup<span class="w"> </span>v2-postgres
|
||
</span><span id="__span-59-6"><a id="__codelineno-59-6" name="__codelineno-59-6" href="#__codelineno-59-6"></a>
|
||
</span><span id="__span-59-7"><a id="__codelineno-59-7" name="__codelineno-59-7" href="#__codelineno-59-7"></a><span class="c1"># Telnet to port</span>
|
||
</span><span id="__span-59-8"><a id="__codelineno-59-8" name="__codelineno-59-8" href="#__codelineno-59-8"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>telnet<span class="w"> </span>v2-postgres<span class="w"> </span><span class="m">5432</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Recreate network</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-60-1"><a id="__codelineno-60-1" name="__codelineno-60-1" href="#__codelineno-60-1"></a><span class="c1"># Stop all containers</span>
|
||
</span><span id="__span-60-2"><a id="__codelineno-60-2" name="__codelineno-60-2" href="#__codelineno-60-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down
|
||
</span><span id="__span-60-3"><a id="__codelineno-60-3" name="__codelineno-60-3" href="#__codelineno-60-3"></a>
|
||
</span><span id="__span-60-4"><a id="__codelineno-60-4" name="__codelineno-60-4" href="#__codelineno-60-4"></a><span class="c1"># Remove network</span>
|
||
</span><span id="__span-60-5"><a id="__codelineno-60-5" name="__codelineno-60-5" href="#__codelineno-60-5"></a>docker<span class="w"> </span>network<span class="w"> </span>rm<span class="w"> </span>changemaker-lite
|
||
</span><span id="__span-60-6"><a id="__codelineno-60-6" name="__codelineno-60-6" href="#__codelineno-60-6"></a>
|
||
</span><span id="__span-60-7"><a id="__codelineno-60-7" name="__codelineno-60-7" href="#__codelineno-60-7"></a><span class="c1"># Start fresh (network auto-created)</span>
|
||
</span><span id="__span-60-8"><a id="__codelineno-60-8" name="__codelineno-60-8" href="#__codelineno-60-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Check firewall</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-61-1"><a id="__codelineno-61-1" name="__codelineno-61-1" href="#__codelineno-61-1"></a><span class="c1"># Temporarily disable firewall (Linux)</span>
|
||
</span><span id="__span-61-2"><a id="__codelineno-61-2" name="__codelineno-61-2" href="#__codelineno-61-2"></a>sudo<span class="w"> </span>ufw<span class="w"> </span>disable
|
||
</span><span id="__span-61-3"><a id="__codelineno-61-3" name="__codelineno-61-3" href="#__codelineno-61-3"></a>
|
||
</span><span id="__span-61-4"><a id="__codelineno-61-4" name="__codelineno-61-4" href="#__codelineno-61-4"></a><span class="c1"># Test if containers can communicate</span>
|
||
</span><span id="__span-61-5"><a id="__codelineno-61-5" name="__codelineno-61-5" href="#__codelineno-61-5"></a><span class="c1"># If yes, firewall is blocking</span>
|
||
</span><span id="__span-61-6"><a id="__codelineno-61-6" name="__codelineno-61-6" href="#__codelineno-61-6"></a>
|
||
</span><span id="__span-61-7"><a id="__codelineno-61-7" name="__codelineno-61-7" href="#__codelineno-61-7"></a><span class="c1"># Re-enable and add rules</span>
|
||
</span><span id="__span-61-8"><a id="__codelineno-61-8" name="__codelineno-61-8" href="#__codelineno-61-8"></a>sudo<span class="w"> </span>ufw<span class="w"> </span><span class="nb">enable</span>
|
||
</span><span id="__span-61-9"><a id="__codelineno-61-9" name="__codelineno-61-9" href="#__codelineno-61-9"></a>sudo<span class="w"> </span>ufw<span class="w"> </span>allow<span class="w"> </span>from<span class="w"> </span><span class="m">172</span>.18.0.0/16<span class="w"> </span>to<span class="w"> </span>any
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_7">Prevention<a class="headerlink" href="#prevention_7" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Use service names</strong> - Never hardcode IPs</li>
|
||
<li><strong>Single network</strong> - All services on same network</li>
|
||
<li><strong>Docker DNS</strong> - Rely on Docker's built-in DNS</li>
|
||
<li><strong>Health checks</strong> - Verify connectivity on startup</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="port-not-accessible-from-host">Port Not Accessible from Host<a class="headerlink" href="#port-not-accessible-from-host" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🟠 High</p>
|
||
<h4 id="symptoms_8">Symptoms<a class="headerlink" href="#symptoms_8" title="Permanent link">¶</a></h4>
|
||
<p>From host:</p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-62-1"><a id="__codelineno-62-1" name="__codelineno-62-1" href="#__codelineno-62-1"></a>curl<span class="w"> </span>http://localhost:4000/api/health
|
||
</span><span id="__span-62-2"><a id="__codelineno-62-2" name="__codelineno-62-2" href="#__codelineno-62-2"></a><span class="c1"># curl: (7) Failed to connect to localhost port 4000: Connection refused</span>
|
||
</span></code></pre></div>
|
||
<p>But from inside container:</p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-63-1"><a id="__codelineno-63-1" name="__codelineno-63-1" href="#__codelineno-63-1"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>curl<span class="w"> </span>http://localhost:4000/api/health
|
||
</span><span id="__span-63-2"><a id="__codelineno-63-2" name="__codelineno-63-2" href="#__codelineno-63-2"></a><span class="c1"># {"status":"healthy"}</span>
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes_8">Common Causes<a class="headerlink" href="#common-causes_8" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Port not published</strong> - Missing <code>ports:</code> in docker-compose.yml</li>
|
||
<li><strong>Bound to 127.0.0.1</strong> - Only listening on localhost inside container</li>
|
||
<li><strong>Firewall blocking</strong> - Host firewall blocking port</li>
|
||
<li><strong>Wrong port</strong> - Trying different port than published</li>
|
||
</ol>
|
||
<h4 id="solutions_8">Solutions<a class="headerlink" href="#solutions_8" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Check port publishing</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-64-1"><a id="__codelineno-64-1" name="__codelineno-64-1" href="#__codelineno-64-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-64-2"><a id="__codelineno-64-2" name="__codelineno-64-2" href="#__codelineno-64-2"></a><span class="w"> </span><span class="nt">ports</span><span class="p">:</span>
|
||
</span><span id="__span-64-3"><a id="__codelineno-64-3" name="__codelineno-64-3" href="#__codelineno-64-3"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="s">"4000:4000"</span><span class="w"> </span><span class="c1"># host:container</span>
|
||
</span></code></pre></div>
|
||
<p>Verify:</p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-65-1"><a id="__codelineno-65-1" name="__codelineno-65-1" href="#__codelineno-65-1"></a>docker<span class="w"> </span>compose<span class="w"> </span>ps<span class="w"> </span>api
|
||
</span><span id="__span-65-2"><a id="__codelineno-65-2" name="__codelineno-65-2" href="#__codelineno-65-2"></a>
|
||
</span><span id="__span-65-3"><a id="__codelineno-65-3" name="__codelineno-65-3" href="#__codelineno-65-3"></a><span class="c1"># Should show:</span>
|
||
</span><span id="__span-65-4"><a id="__codelineno-65-4" name="__codelineno-65-4" href="#__codelineno-65-4"></a><span class="c1"># PORTS: 0.0.0.0:4000->4000/tcp</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Bind to 0.0.0.0</strong></p>
|
||
<p>In <code>api/src/server.ts</code>:</p>
|
||
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-66-1"><a id="__codelineno-66-1" name="__codelineno-66-1" href="#__codelineno-66-1"></a><span class="c1">// Wrong - only localhost</span>
|
||
</span><span id="__span-66-2"><a id="__codelineno-66-2" name="__codelineno-66-2" href="#__codelineno-66-2"></a><span class="nx">app</span><span class="p">.</span><span class="nx">listen</span><span class="p">(</span><span class="mf">4000</span><span class="p">,</span><span class="w"> </span><span class="s1">'127.0.0.1'</span><span class="p">);</span>
|
||
</span><span id="__span-66-3"><a id="__codelineno-66-3" name="__codelineno-66-3" href="#__codelineno-66-3"></a>
|
||
</span><span id="__span-66-4"><a id="__codelineno-66-4" name="__codelineno-66-4" href="#__codelineno-66-4"></a><span class="c1">// Right - all interfaces</span>
|
||
</span><span id="__span-66-5"><a id="__codelineno-66-5" name="__codelineno-66-5" href="#__codelineno-66-5"></a><span class="nx">app</span><span class="p">.</span><span class="nx">listen</span><span class="p">(</span><span class="mf">4000</span><span class="p">,</span><span class="w"> </span><span class="s1">'0.0.0.0'</span><span class="p">);</span>
|
||
</span><span id="__span-66-6"><a id="__codelineno-66-6" name="__codelineno-66-6" href="#__codelineno-66-6"></a>
|
||
</span><span id="__span-66-7"><a id="__codelineno-66-7" name="__codelineno-66-7" href="#__codelineno-66-7"></a><span class="c1">// Or just</span>
|
||
</span><span id="__span-66-8"><a id="__codelineno-66-8" name="__codelineno-66-8" href="#__codelineno-66-8"></a><span class="nx">app</span><span class="p">.</span><span class="nx">listen</span><span class="p">(</span><span class="mf">4000</span><span class="p">);</span><span class="w"> </span><span class="c1">// Defaults to 0.0.0.0</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Check firewall</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-67-1"><a id="__codelineno-67-1" name="__codelineno-67-1" href="#__codelineno-67-1"></a><span class="c1"># Check if port allowed (Linux)</span>
|
||
</span><span id="__span-67-2"><a id="__codelineno-67-2" name="__codelineno-67-2" href="#__codelineno-67-2"></a>sudo<span class="w"> </span>ufw<span class="w"> </span>status
|
||
</span><span id="__span-67-3"><a id="__codelineno-67-3" name="__codelineno-67-3" href="#__codelineno-67-3"></a>
|
||
</span><span id="__span-67-4"><a id="__codelineno-67-4" name="__codelineno-67-4" href="#__codelineno-67-4"></a><span class="c1"># Allow port</span>
|
||
</span><span id="__span-67-5"><a id="__codelineno-67-5" name="__codelineno-67-5" href="#__codelineno-67-5"></a>sudo<span class="w"> </span>ufw<span class="w"> </span>allow<span class="w"> </span><span class="m">4000</span>/tcp
|
||
</span><span id="__span-67-6"><a id="__codelineno-67-6" name="__codelineno-67-6" href="#__codelineno-67-6"></a>
|
||
</span><span id="__span-67-7"><a id="__codelineno-67-7" name="__codelineno-67-7" href="#__codelineno-67-7"></a><span class="c1"># Or disable temporarily for testing</span>
|
||
</span><span id="__span-67-8"><a id="__codelineno-67-8" name="__codelineno-67-8" href="#__codelineno-67-8"></a>sudo<span class="w"> </span>ufw<span class="w"> </span>disable
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Verify correct port</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-68-1"><a id="__codelineno-68-1" name="__codelineno-68-1" href="#__codelineno-68-1"></a><span class="c1"># Check what ports are actually listening</span>
|
||
</span><span id="__span-68-2"><a id="__codelineno-68-2" name="__codelineno-68-2" href="#__codelineno-68-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>netstat<span class="w"> </span>-tuln
|
||
</span><span id="__span-68-3"><a id="__codelineno-68-3" name="__codelineno-68-3" href="#__codelineno-68-3"></a>
|
||
</span><span id="__span-68-4"><a id="__codelineno-68-4" name="__codelineno-68-4" href="#__codelineno-68-4"></a><span class="c1"># Should show:</span>
|
||
</span><span id="__span-68-5"><a id="__codelineno-68-5" name="__codelineno-68-5" href="#__codelineno-68-5"></a><span class="c1"># tcp6 0 0 :::4000 :::* LISTEN</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Restart with port forwarding</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-69-1"><a id="__codelineno-69-1" name="__codelineno-69-1" href="#__codelineno-69-1"></a><span class="c1"># Stop container</span>
|
||
</span><span id="__span-69-2"><a id="__codelineno-69-2" name="__codelineno-69-2" href="#__codelineno-69-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>stop<span class="w"> </span>api
|
||
</span><span id="__span-69-3"><a id="__codelineno-69-3" name="__codelineno-69-3" href="#__codelineno-69-3"></a>
|
||
</span><span id="__span-69-4"><a id="__codelineno-69-4" name="__codelineno-69-4" href="#__codelineno-69-4"></a><span class="c1"># Remove container</span>
|
||
</span><span id="__span-69-5"><a id="__codelineno-69-5" name="__codelineno-69-5" href="#__codelineno-69-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>rm<span class="w"> </span>-f<span class="w"> </span>api
|
||
</span><span id="__span-69-6"><a id="__codelineno-69-6" name="__codelineno-69-6" href="#__codelineno-69-6"></a>
|
||
</span><span id="__span-69-7"><a id="__codelineno-69-7" name="__codelineno-69-7" href="#__codelineno-69-7"></a><span class="c1"># Start fresh</span>
|
||
</span><span id="__span-69-8"><a id="__codelineno-69-8" name="__codelineno-69-8" href="#__codelineno-69-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>api
|
||
</span><span id="__span-69-9"><a id="__codelineno-69-9" name="__codelineno-69-9" href="#__codelineno-69-9"></a>
|
||
</span><span id="__span-69-10"><a id="__codelineno-69-10" name="__codelineno-69-10" href="#__codelineno-69-10"></a><span class="c1"># Verify port</span>
|
||
</span><span id="__span-69-11"><a id="__codelineno-69-11" name="__codelineno-69-11" href="#__codelineno-69-11"></a>curl<span class="w"> </span>http://localhost:4000/api/health
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_8">Prevention<a class="headerlink" href="#prevention_8" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Always publish ports</strong> - In docker-compose.yml</li>
|
||
<li><strong>Bind to 0.0.0.0</strong> - Not 127.0.0.1</li>
|
||
<li><strong>Test from host</strong> - Verify accessibility</li>
|
||
<li><strong>Document ports</strong> - Keep port reference updated</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="dns-resolution-failures">DNS Resolution Failures<a class="headerlink" href="#dns-resolution-failures" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🟠 High</p>
|
||
<h4 id="symptoms_9">Symptoms<a class="headerlink" href="#symptoms_9" title="Permanent link">¶</a></h4>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-70-1"><a id="__codelineno-70-1" name="__codelineno-70-1" href="#__codelineno-70-1"></a>Error: getaddrinfo ENOTFOUND smtp.gmail.com
|
||
</span></code></pre></div>
|
||
<p>Or:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-71-1"><a id="__codelineno-71-1" name="__codelineno-71-1" href="#__codelineno-71-1"></a>Error: getaddrinfo EAI_AGAIN api.represent.org
|
||
</span></code></pre></div>
|
||
<p>Container can't resolve external hostnames.</p>
|
||
<h4 id="common-causes_9">Common Causes<a class="headerlink" href="#common-causes_9" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Docker DNS issue</strong> - Docker DNS not working</li>
|
||
<li><strong>No internet</strong> - Container has no internet access</li>
|
||
<li><strong>Firewall blocking DNS</strong> - Port 53 blocked</li>
|
||
<li><strong>Wrong DNS servers</strong> - Using invalid DNS servers</li>
|
||
</ol>
|
||
<h4 id="solutions_9">Solutions<a class="headerlink" href="#solutions_9" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Test DNS resolution</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-72-1"><a id="__codelineno-72-1" name="__codelineno-72-1" href="#__codelineno-72-1"></a><span class="c1"># From inside container</span>
|
||
</span><span id="__span-72-2"><a id="__codelineno-72-2" name="__codelineno-72-2" href="#__codelineno-72-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>nslookup<span class="w"> </span>google.com
|
||
</span><span id="__span-72-3"><a id="__codelineno-72-3" name="__codelineno-72-3" href="#__codelineno-72-3"></a>
|
||
</span><span id="__span-72-4"><a id="__codelineno-72-4" name="__codelineno-72-4" href="#__codelineno-72-4"></a><span class="c1"># Should return IP address</span>
|
||
</span><span id="__span-72-5"><a id="__codelineno-72-5" name="__codelineno-72-5" href="#__codelineno-72-5"></a><span class="c1"># If not, DNS is broken</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Check Docker DNS</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-73-1"><a id="__codelineno-73-1" name="__codelineno-73-1" href="#__codelineno-73-1"></a><span class="c1"># View container DNS config</span>
|
||
</span><span id="__span-73-2"><a id="__codelineno-73-2" name="__codelineno-73-2" href="#__codelineno-73-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>cat<span class="w"> </span>/etc/resolv.conf
|
||
</span><span id="__span-73-3"><a id="__codelineno-73-3" name="__codelineno-73-3" href="#__codelineno-73-3"></a>
|
||
</span><span id="__span-73-4"><a id="__codelineno-73-4" name="__codelineno-73-4" href="#__codelineno-73-4"></a><span class="c1"># Should show:</span>
|
||
</span><span id="__span-73-5"><a id="__codelineno-73-5" name="__codelineno-73-5" href="#__codelineno-73-5"></a><span class="c1"># nameserver 127.0.0.11 # Docker's embedded DNS</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Use custom DNS servers</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-74-1"><a id="__codelineno-74-1" name="__codelineno-74-1" href="#__codelineno-74-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-74-2"><a id="__codelineno-74-2" name="__codelineno-74-2" href="#__codelineno-74-2"></a><span class="w"> </span><span class="nt">dns</span><span class="p">:</span>
|
||
</span><span id="__span-74-3"><a id="__codelineno-74-3" name="__codelineno-74-3" href="#__codelineno-74-3"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">8.8.8.8</span><span class="w"> </span><span class="c1"># Google DNS</span>
|
||
</span><span id="__span-74-4"><a id="__codelineno-74-4" name="__codelineno-74-4" href="#__codelineno-74-4"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">8.8.4.4</span>
|
||
</span></code></pre></div>
|
||
<p>Or in <code>/etc/docker/daemon.json</code>:</p>
|
||
<div class="language-json highlight"><pre><span></span><code><span id="__span-75-1"><a id="__codelineno-75-1" name="__codelineno-75-1" href="#__codelineno-75-1"></a><span class="p">{</span>
|
||
</span><span id="__span-75-2"><a id="__codelineno-75-2" name="__codelineno-75-2" href="#__codelineno-75-2"></a><span class="w"> </span><span class="nt">"dns"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="s2">"8.8.8.8"</span><span class="p">,</span><span class="w"> </span><span class="s2">"8.8.4.4"</span><span class="p">]</span>
|
||
</span><span id="__span-75-3"><a id="__codelineno-75-3" name="__codelineno-75-3" href="#__codelineno-75-3"></a><span class="p">}</span>
|
||
</span></code></pre></div>
|
||
<p>Then restart Docker:</p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-76-1"><a id="__codelineno-76-1" name="__codelineno-76-1" href="#__codelineno-76-1"></a>sudo<span class="w"> </span>systemctl<span class="w"> </span>restart<span class="w"> </span>docker
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Check internet connectivity</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-77-1"><a id="__codelineno-77-1" name="__codelineno-77-1" href="#__codelineno-77-1"></a><span class="c1"># Ping external host</span>
|
||
</span><span id="__span-77-2"><a id="__codelineno-77-2" name="__codelineno-77-2" href="#__codelineno-77-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ping<span class="w"> </span>-c<span class="w"> </span><span class="m">3</span><span class="w"> </span><span class="m">8</span>.8.8.8
|
||
</span><span id="__span-77-3"><a id="__codelineno-77-3" name="__codelineno-77-3" href="#__codelineno-77-3"></a>
|
||
</span><span id="__span-77-4"><a id="__codelineno-77-4" name="__codelineno-77-4" href="#__codelineno-77-4"></a><span class="c1"># If fails, no internet access</span>
|
||
</span><span id="__span-77-5"><a id="__codelineno-77-5" name="__codelineno-77-5" href="#__codelineno-77-5"></a><span class="c1"># Check host internet connection</span>
|
||
</span><span id="__span-77-6"><a id="__codelineno-77-6" name="__codelineno-77-6" href="#__codelineno-77-6"></a>ping<span class="w"> </span>-c<span class="w"> </span><span class="m">3</span><span class="w"> </span><span class="m">8</span>.8.8.8
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Restart Docker daemon</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-78-1"><a id="__codelineno-78-1" name="__codelineno-78-1" href="#__codelineno-78-1"></a><span class="c1"># Sometimes Docker DNS gets stuck</span>
|
||
</span><span id="__span-78-2"><a id="__codelineno-78-2" name="__codelineno-78-2" href="#__codelineno-78-2"></a>sudo<span class="w"> </span>systemctl<span class="w"> </span>restart<span class="w"> </span>docker
|
||
</span><span id="__span-78-3"><a id="__codelineno-78-3" name="__codelineno-78-3" href="#__codelineno-78-3"></a>
|
||
</span><span id="__span-78-4"><a id="__codelineno-78-4" name="__codelineno-78-4" href="#__codelineno-78-4"></a><span class="c1"># Then restart containers</span>
|
||
</span><span id="__span-78-5"><a id="__codelineno-78-5" name="__codelineno-78-5" href="#__codelineno-78-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>down
|
||
</span><span id="__span-78-6"><a id="__codelineno-78-6" name="__codelineno-78-6" href="#__codelineno-78-6"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_9">Prevention<a class="headerlink" href="#prevention_9" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Reliable DNS</strong> - Use public DNS servers as backup</li>
|
||
<li><strong>Monitor connectivity</strong> - Alert on DNS failures</li>
|
||
<li><strong>Health checks</strong> - Include external connectivity checks</li>
|
||
<li><strong>Retry logic</strong> - Handle transient DNS failures</li>
|
||
</ul>
|
||
<hr />
|
||
<h2 id="volume-issues">Volume Issues<a class="headerlink" href="#volume-issues" title="Permanent link">¶</a></h2>
|
||
<h3 id="permission-denied">Permission Denied<a class="headerlink" href="#permission-denied" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms_10">Symptoms<a class="headerlink" href="#symptoms_10" title="Permanent link">¶</a></h4>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-79-1"><a id="__codelineno-79-1" name="__codelineno-79-1" href="#__codelineno-79-1"></a>Error: EACCES: permission denied, open '/app/uploads/image.jpg'
|
||
</span></code></pre></div>
|
||
<p>Or:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-80-1"><a id="__codelineno-80-1" name="__codelineno-80-1" href="#__codelineno-80-1"></a>Error: EACCES: permission denied, mkdir '/media/local/inbox'
|
||
</span></code></pre></div>
|
||
<p>File operations fail inside container.</p>
|
||
<h4 id="common-causes_10">Common Causes<a class="headerlink" href="#common-causes_10" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Wrong ownership</strong> - Host directory owned by different user</li>
|
||
<li><strong>Wrong permissions</strong> - Directory not writable</li>
|
||
<li><strong>SELinux</strong> - Linux security policy blocking</li>
|
||
<li><strong>Read-only mount</strong> - Volume mounted as read-only</li>
|
||
</ol>
|
||
<h4 id="solutions_10">Solutions<a class="headerlink" href="#solutions_10" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Check ownership</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-81-1"><a id="__codelineno-81-1" name="__codelineno-81-1" href="#__codelineno-81-1"></a><span class="c1"># On host</span>
|
||
</span><span id="__span-81-2"><a id="__codelineno-81-2" name="__codelineno-81-2" href="#__codelineno-81-2"></a>ls<span class="w"> </span>-la<span class="w"> </span>uploads/
|
||
</span><span id="__span-81-3"><a id="__codelineno-81-3" name="__codelineno-81-3" href="#__codelineno-81-3"></a>
|
||
</span><span id="__span-81-4"><a id="__codelineno-81-4" name="__codelineno-81-4" href="#__codelineno-81-4"></a><span class="c1"># Shows:</span>
|
||
</span><span id="__span-81-5"><a id="__codelineno-81-5" name="__codelineno-81-5" href="#__codelineno-81-5"></a><span class="c1"># drwxr-xr-x 2 root root 4096 Feb 13 10:00 uploads</span>
|
||
</span><span id="__span-81-6"><a id="__codelineno-81-6" name="__codelineno-81-6" href="#__codelineno-81-6"></a>
|
||
</span><span id="__span-81-7"><a id="__codelineno-81-7" name="__codelineno-81-7" href="#__codelineno-81-7"></a><span class="c1"># Check container user</span>
|
||
</span><span id="__span-81-8"><a id="__codelineno-81-8" name="__codelineno-81-8" href="#__codelineno-81-8"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>id
|
||
</span><span id="__span-81-9"><a id="__codelineno-81-9" name="__codelineno-81-9" href="#__codelineno-81-9"></a><span class="c1"># uid=1000(node) gid=1000(node)</span>
|
||
</span><span id="__span-81-10"><a id="__codelineno-81-10" name="__codelineno-81-10" href="#__codelineno-81-10"></a>
|
||
</span><span id="__span-81-11"><a id="__codelineno-81-11" name="__codelineno-81-11" href="#__codelineno-81-11"></a><span class="c1"># Fix ownership</span>
|
||
</span><span id="__span-81-12"><a id="__codelineno-81-12" name="__codelineno-81-12" href="#__codelineno-81-12"></a>sudo<span class="w"> </span>chown<span class="w"> </span>-R<span class="w"> </span><span class="m">1000</span>:1000<span class="w"> </span>uploads/
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Fix permissions</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-82-1"><a id="__codelineno-82-1" name="__codelineno-82-1" href="#__codelineno-82-1"></a><span class="c1"># Make writable</span>
|
||
</span><span id="__span-82-2"><a id="__codelineno-82-2" name="__codelineno-82-2" href="#__codelineno-82-2"></a>chmod<span class="w"> </span>-R<span class="w"> </span><span class="m">755</span><span class="w"> </span>uploads/
|
||
</span><span id="__span-82-3"><a id="__codelineno-82-3" name="__codelineno-82-3" href="#__codelineno-82-3"></a>
|
||
</span><span id="__span-82-4"><a id="__codelineno-82-4" name="__codelineno-82-4" href="#__codelineno-82-4"></a><span class="c1"># Or more permissive (dev only)</span>
|
||
</span><span id="__span-82-5"><a id="__codelineno-82-5" name="__codelineno-82-5" href="#__codelineno-82-5"></a>chmod<span class="w"> </span>-R<span class="w"> </span><span class="m">777</span><span class="w"> </span>uploads/
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Check mount mode</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-83-1"><a id="__codelineno-83-1" name="__codelineno-83-1" href="#__codelineno-83-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-83-2"><a id="__codelineno-83-2" name="__codelineno-83-2" href="#__codelineno-83-2"></a><span class="w"> </span><span class="nt">volumes</span><span class="p">:</span>
|
||
</span><span id="__span-83-3"><a id="__codelineno-83-3" name="__codelineno-83-3" href="#__codelineno-83-3"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./uploads:/app/uploads:rw</span><span class="w"> </span><span class="c1"># Read-write</span>
|
||
</span><span id="__span-83-4"><a id="__codelineno-83-4" name="__codelineno-83-4" href="#__codelineno-83-4"></a><span class="w"> </span><span class="c1"># Not:</span>
|
||
</span><span id="__span-83-5"><a id="__codelineno-83-5" name="__codelineno-83-5" href="#__codelineno-83-5"></a><span class="w"> </span><span class="c1"># - ./uploads:/app/uploads:ro # Read-only</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: SELinux labels</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-84-1"><a id="__codelineno-84-1" name="__codelineno-84-1" href="#__codelineno-84-1"></a><span class="c1"># Add :z flag to volume</span>
|
||
</span><span id="__span-84-2"><a id="__codelineno-84-2" name="__codelineno-84-2" href="#__codelineno-84-2"></a><span class="c1"># In docker-compose.yml:</span>
|
||
</span><span id="__span-84-3"><a id="__codelineno-84-3" name="__codelineno-84-3" href="#__codelineno-84-3"></a><span class="w"> </span>-<span class="w"> </span>./uploads:/app/uploads:z
|
||
</span><span id="__span-84-4"><a id="__codelineno-84-4" name="__codelineno-84-4" href="#__codelineno-84-4"></a>
|
||
</span><span id="__span-84-5"><a id="__codelineno-84-5" name="__codelineno-84-5" href="#__codelineno-84-5"></a><span class="c1"># Or relabel directory</span>
|
||
</span><span id="__span-84-6"><a id="__codelineno-84-6" name="__codelineno-84-6" href="#__codelineno-84-6"></a>sudo<span class="w"> </span>chcon<span class="w"> </span>-Rt<span class="w"> </span>svirt_sandbox_file_t<span class="w"> </span>uploads/
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Run as root (not recommended)</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-85-1"><a id="__codelineno-85-1" name="__codelineno-85-1" href="#__codelineno-85-1"></a><span class="c1"># In docker-compose.yml (last resort)</span>
|
||
</span><span id="__span-85-2"><a id="__codelineno-85-2" name="__codelineno-85-2" href="#__codelineno-85-2"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-85-3"><a id="__codelineno-85-3" name="__codelineno-85-3" href="#__codelineno-85-3"></a><span class="w"> </span><span class="nt">user</span><span class="p">:</span><span class="w"> </span><span class="s">"0:0"</span><span class="w"> </span><span class="c1"># Run as root</span>
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_10">Prevention<a class="headerlink" href="#prevention_10" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Set permissions early</strong> - In setup script</li>
|
||
<li><strong>Match UIDs</strong> - Container user matches host user</li>
|
||
<li><strong>SELinux-aware</strong> - Use :z flag on volumes</li>
|
||
<li><strong>Document requirements</strong> - List permission requirements</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="volume-not-mounted">Volume Not Mounted<a class="headerlink" href="#volume-not-mounted" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🟠 High</p>
|
||
<h4 id="symptoms_11">Symptoms<a class="headerlink" href="#symptoms_11" title="Permanent link">¶</a></h4>
|
||
<p>Container can't see files that exist on host.</p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-86-1"><a id="__codelineno-86-1" name="__codelineno-86-1" href="#__codelineno-86-1"></a><span class="c1"># On host</span>
|
||
</span><span id="__span-86-2"><a id="__codelineno-86-2" name="__codelineno-86-2" href="#__codelineno-86-2"></a>ls<span class="w"> </span>uploads/
|
||
</span><span id="__span-86-3"><a id="__codelineno-86-3" name="__codelineno-86-3" href="#__codelineno-86-3"></a><span class="c1"># image.jpg video.mp4</span>
|
||
</span><span id="__span-86-4"><a id="__codelineno-86-4" name="__codelineno-86-4" href="#__codelineno-86-4"></a>
|
||
</span><span id="__span-86-5"><a id="__codelineno-86-5" name="__codelineno-86-5" href="#__codelineno-86-5"></a><span class="c1"># In container</span>
|
||
</span><span id="__span-86-6"><a id="__codelineno-86-6" name="__codelineno-86-6" href="#__codelineno-86-6"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ls<span class="w"> </span>/app/uploads/
|
||
</span><span id="__span-86-7"><a id="__codelineno-86-7" name="__codelineno-86-7" href="#__codelineno-86-7"></a><span class="c1"># (empty)</span>
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes_11">Common Causes<a class="headerlink" href="#common-causes_11" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Wrong path</strong> - Volume path incorrect</li>
|
||
<li><strong>Typo</strong> - Syntax error in docker-compose.yml</li>
|
||
<li><strong>Not mounted</strong> - Volume mount missing</li>
|
||
<li><strong>Cached old config</strong> - Using old container</li>
|
||
</ol>
|
||
<h4 id="solutions_11">Solutions<a class="headerlink" href="#solutions_11" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Verify volume configuration</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-87-1"><a id="__codelineno-87-1" name="__codelineno-87-1" href="#__codelineno-87-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-87-2"><a id="__codelineno-87-2" name="__codelineno-87-2" href="#__codelineno-87-2"></a><span class="w"> </span><span class="nt">volumes</span><span class="p">:</span>
|
||
</span><span id="__span-87-3"><a id="__codelineno-87-3" name="__codelineno-87-3" href="#__codelineno-87-3"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./uploads:/app/uploads</span><span class="w"> </span><span class="c1"># host:container</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Check mounts in running container</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-88-1"><a id="__codelineno-88-1" name="__codelineno-88-1" href="#__codelineno-88-1"></a><span class="c1"># Inspect container mounts</span>
|
||
</span><span id="__span-88-2"><a id="__codelineno-88-2" name="__codelineno-88-2" href="#__codelineno-88-2"></a>docker<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite-api-1<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-A<span class="w"> </span><span class="m">10</span><span class="w"> </span>Mounts
|
||
</span><span id="__span-88-3"><a id="__codelineno-88-3" name="__codelineno-88-3" href="#__codelineno-88-3"></a>
|
||
</span><span id="__span-88-4"><a id="__codelineno-88-4" name="__codelineno-88-4" href="#__codelineno-88-4"></a><span class="c1"># Should show:</span>
|
||
</span><span id="__span-88-5"><a id="__codelineno-88-5" name="__codelineno-88-5" href="#__codelineno-88-5"></a><span class="c1"># "Mounts": [</span>
|
||
</span><span id="__span-88-6"><a id="__codelineno-88-6" name="__codelineno-88-6" href="#__codelineno-88-6"></a><span class="c1"># {</span>
|
||
</span><span id="__span-88-7"><a id="__codelineno-88-7" name="__codelineno-88-7" href="#__codelineno-88-7"></a><span class="c1"># "Type": "bind",</span>
|
||
</span><span id="__span-88-8"><a id="__codelineno-88-8" name="__codelineno-88-8" href="#__codelineno-88-8"></a><span class="c1"># "Source": "/home/user/changemaker.lite/uploads",</span>
|
||
</span><span id="__span-88-9"><a id="__codelineno-88-9" name="__codelineno-88-9" href="#__codelineno-88-9"></a><span class="c1"># "Destination": "/app/uploads",</span>
|
||
</span><span id="__span-88-10"><a id="__codelineno-88-10" name="__codelineno-88-10" href="#__codelineno-88-10"></a><span class="c1"># "Mode": "",</span>
|
||
</span><span id="__span-88-11"><a id="__codelineno-88-11" name="__codelineno-88-11" href="#__codelineno-88-11"></a><span class="c1"># "RW": true,</span>
|
||
</span><span id="__span-88-12"><a id="__codelineno-88-12" name="__codelineno-88-12" href="#__codelineno-88-12"></a><span class="c1"># "Propagation": "rprivate"</span>
|
||
</span><span id="__span-88-13"><a id="__codelineno-88-13" name="__codelineno-88-13" href="#__codelineno-88-13"></a><span class="c1"># }</span>
|
||
</span><span id="__span-88-14"><a id="__codelineno-88-14" name="__codelineno-88-14" href="#__codelineno-88-14"></a><span class="c1"># ]</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Recreate container</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-89-1"><a id="__codelineno-89-1" name="__codelineno-89-1" href="#__codelineno-89-1"></a><span class="c1"># Stop and remove container</span>
|
||
</span><span id="__span-89-2"><a id="__codelineno-89-2" name="__codelineno-89-2" href="#__codelineno-89-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down<span class="w"> </span>api
|
||
</span><span id="__span-89-3"><a id="__codelineno-89-3" name="__codelineno-89-3" href="#__codelineno-89-3"></a>
|
||
</span><span id="__span-89-4"><a id="__codelineno-89-4" name="__codelineno-89-4" href="#__codelineno-89-4"></a><span class="c1"># Start fresh</span>
|
||
</span><span id="__span-89-5"><a id="__codelineno-89-5" name="__codelineno-89-5" href="#__codelineno-89-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>api
|
||
</span><span id="__span-89-6"><a id="__codelineno-89-6" name="__codelineno-89-6" href="#__codelineno-89-6"></a>
|
||
</span><span id="__span-89-7"><a id="__codelineno-89-7" name="__codelineno-89-7" href="#__codelineno-89-7"></a><span class="c1"># Verify mount</span>
|
||
</span><span id="__span-89-8"><a id="__codelineno-89-8" name="__codelineno-89-8" href="#__codelineno-89-8"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>ls<span class="w"> </span>/app/uploads/
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Use absolute path</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-90-1"><a id="__codelineno-90-1" name="__codelineno-90-1" href="#__codelineno-90-1"></a><span class="c1"># Sometimes relative paths don't work</span>
|
||
</span><span id="__span-90-2"><a id="__codelineno-90-2" name="__codelineno-90-2" href="#__codelineno-90-2"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-90-3"><a id="__codelineno-90-3" name="__codelineno-90-3" href="#__codelineno-90-3"></a><span class="w"> </span><span class="nt">volumes</span><span class="p">:</span>
|
||
</span><span id="__span-90-4"><a id="__codelineno-90-4" name="__codelineno-90-4" href="#__codelineno-90-4"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">/home/user/changemaker.lite/uploads:/app/uploads</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Check Docker Compose version</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-91-1"><a id="__codelineno-91-1" name="__codelineno-91-1" href="#__codelineno-91-1"></a><span class="c1"># Check version</span>
|
||
</span><span id="__span-91-2"><a id="__codelineno-91-2" name="__codelineno-91-2" href="#__codelineno-91-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>version
|
||
</span><span id="__span-91-3"><a id="__codelineno-91-3" name="__codelineno-91-3" href="#__codelineno-91-3"></a>
|
||
</span><span id="__span-91-4"><a id="__codelineno-91-4" name="__codelineno-91-4" href="#__codelineno-91-4"></a><span class="c1"># Should be v2+</span>
|
||
</span><span id="__span-91-5"><a id="__codelineno-91-5" name="__codelineno-91-5" href="#__codelineno-91-5"></a><span class="c1"># If v1, syntax might differ</span>
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_11">Prevention<a class="headerlink" href="#prevention_11" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Test mounts</strong> - Verify after container start</li>
|
||
<li><strong>Use relative paths</strong> - Start with <code>./</code></li>
|
||
<li><strong>Documentation</strong> - Document all volume mounts</li>
|
||
<li><strong>Health checks</strong> - Verify critical files exist</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="data-persistence-problems">Data Persistence Problems<a class="headerlink" href="#data-persistence-problems" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🔴 Critical</p>
|
||
<h4 id="symptoms_12">Symptoms<a class="headerlink" href="#symptoms_12" title="Permanent link">¶</a></h4>
|
||
<p>Data disappears after <code>docker compose down</code>:</p>
|
||
<ul>
|
||
<li>Database data lost</li>
|
||
<li>Uploaded files missing</li>
|
||
<li>Configuration reset</li>
|
||
</ul>
|
||
<h4 id="common-causes_12">Common Causes<a class="headerlink" href="#common-causes_12" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Using containers, not volumes</strong> - Data stored in container filesystem</li>
|
||
<li><strong>Anonymous volumes</strong> - Volume not named or bound</li>
|
||
<li><strong>Deleting volumes</strong> - <code>docker compose down -v</code> removes volumes</li>
|
||
<li><strong>Wrong volume type</strong> - tmpfs instead of volume</li>
|
||
</ol>
|
||
<h4 id="solutions_12">Solutions<a class="headerlink" href="#solutions_12" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Use named volumes</strong></p>
|
||
<p>In <code>docker-compose.yml</code>:</p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-92-1"><a id="__codelineno-92-1" name="__codelineno-92-1" href="#__codelineno-92-1"></a><span class="nt">v2-postgres</span><span class="p">:</span>
|
||
</span><span id="__span-92-2"><a id="__codelineno-92-2" name="__codelineno-92-2" href="#__codelineno-92-2"></a><span class="w"> </span><span class="nt">volumes</span><span class="p">:</span>
|
||
</span><span id="__span-92-3"><a id="__codelineno-92-3" name="__codelineno-92-3" href="#__codelineno-92-3"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">postgres-data:/var/lib/postgresql/data</span><span class="w"> </span><span class="c1"># Named volume</span>
|
||
</span><span id="__span-92-4"><a id="__codelineno-92-4" name="__codelineno-92-4" href="#__codelineno-92-4"></a>
|
||
</span><span id="__span-92-5"><a id="__codelineno-92-5" name="__codelineno-92-5" href="#__codelineno-92-5"></a><span class="nt">volumes</span><span class="p">:</span>
|
||
</span><span id="__span-92-6"><a id="__codelineno-92-6" name="__codelineno-92-6" href="#__codelineno-92-6"></a><span class="w"> </span><span class="nt">postgres-data</span><span class="p">:</span><span class="w"> </span><span class="c1"># Declare named volume</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Use bind mounts</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-93-1"><a id="__codelineno-93-1" name="__codelineno-93-1" href="#__codelineno-93-1"></a><span class="nt">v2-postgres</span><span class="p">:</span>
|
||
</span><span id="__span-93-2"><a id="__codelineno-93-2" name="__codelineno-93-2" href="#__codelineno-93-2"></a><span class="w"> </span><span class="nt">volumes</span><span class="p">:</span>
|
||
</span><span id="__span-93-3"><a id="__codelineno-93-3" name="__codelineno-93-3" href="#__codelineno-93-3"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./data/postgres:/var/lib/postgresql/data</span><span class="w"> </span><span class="c1"># Bind to host directory</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Don't use -v flag</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-94-1"><a id="__codelineno-94-1" name="__codelineno-94-1" href="#__codelineno-94-1"></a><span class="c1"># Wrong - deletes volumes</span>
|
||
</span><span id="__span-94-2"><a id="__codelineno-94-2" name="__codelineno-94-2" href="#__codelineno-94-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down<span class="w"> </span>-v
|
||
</span><span id="__span-94-3"><a id="__codelineno-94-3" name="__codelineno-94-3" href="#__codelineno-94-3"></a>
|
||
</span><span id="__span-94-4"><a id="__codelineno-94-4" name="__codelineno-94-4" href="#__codelineno-94-4"></a><span class="c1"># Right - keeps volumes</span>
|
||
</span><span id="__span-94-5"><a id="__codelineno-94-5" name="__codelineno-94-5" href="#__codelineno-94-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>down
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Check volume exists</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-95-1"><a id="__codelineno-95-1" name="__codelineno-95-1" href="#__codelineno-95-1"></a><span class="c1"># List volumes</span>
|
||
</span><span id="__span-95-2"><a id="__codelineno-95-2" name="__codelineno-95-2" href="#__codelineno-95-2"></a>docker<span class="w"> </span>volume<span class="w"> </span>ls
|
||
</span><span id="__span-95-3"><a id="__codelineno-95-3" name="__codelineno-95-3" href="#__codelineno-95-3"></a>
|
||
</span><span id="__span-95-4"><a id="__codelineno-95-4" name="__codelineno-95-4" href="#__codelineno-95-4"></a><span class="c1"># Should show:</span>
|
||
</span><span id="__span-95-5"><a id="__codelineno-95-5" name="__codelineno-95-5" href="#__codelineno-95-5"></a><span class="c1"># changemaker-lite_postgres-data</span>
|
||
</span><span id="__span-95-6"><a id="__codelineno-95-6" name="__codelineno-95-6" href="#__codelineno-95-6"></a>
|
||
</span><span id="__span-95-7"><a id="__codelineno-95-7" name="__codelineno-95-7" href="#__codelineno-95-7"></a><span class="c1"># Inspect volume</span>
|
||
</span><span id="__span-95-8"><a id="__codelineno-95-8" name="__codelineno-95-8" href="#__codelineno-95-8"></a>docker<span class="w"> </span>volume<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite_postgres-data
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Backup before down</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-96-1"><a id="__codelineno-96-1" name="__codelineno-96-1" href="#__codelineno-96-1"></a><span class="c1"># Backup database before stopping</span>
|
||
</span><span id="__span-96-2"><a id="__codelineno-96-2" name="__codelineno-96-2" href="#__codelineno-96-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>v2-postgres<span class="w"> </span>pg_dump<span class="w"> </span>-U<span class="w"> </span>changemaker<span class="w"> </span>changemaker_v2<span class="w"> </span>><span class="w"> </span>backup.sql
|
||
</span><span id="__span-96-3"><a id="__codelineno-96-3" name="__codelineno-96-3" href="#__codelineno-96-3"></a>
|
||
</span><span id="__span-96-4"><a id="__codelineno-96-4" name="__codelineno-96-4" href="#__codelineno-96-4"></a><span class="c1"># Then safe to:</span>
|
||
</span><span id="__span-96-5"><a id="__codelineno-96-5" name="__codelineno-96-5" href="#__codelineno-96-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>down<span class="w"> </span>-v
|
||
</span><span id="__span-96-6"><a id="__codelineno-96-6" name="__codelineno-96-6" href="#__codelineno-96-6"></a>
|
||
</span><span id="__span-96-7"><a id="__codelineno-96-7" name="__codelineno-96-7" href="#__codelineno-96-7"></a><span class="c1"># Restore after up:</span>
|
||
</span><span id="__span-96-8"><a id="__codelineno-96-8" name="__codelineno-96-8" href="#__codelineno-96-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>v2-postgres
|
||
</span><span id="__span-96-9"><a id="__codelineno-96-9" name="__codelineno-96-9" href="#__codelineno-96-9"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>-T<span class="w"> </span>v2-postgres<span class="w"> </span>psql<span class="w"> </span>-U<span class="w"> </span>changemaker<span class="w"> </span>changemaker_v2<span class="w"> </span><<span class="w"> </span>backup.sql
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_12">Prevention<a class="headerlink" href="#prevention_12" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Named volumes</strong> - For all persistent data</li>
|
||
<li><strong>Regular backups</strong> - Automated backup script</li>
|
||
<li><strong>Never use -v</strong> - Unless intentionally resetting</li>
|
||
<li><strong>Documentation</strong> - Document what data persists where</li>
|
||
</ul>
|
||
<hr />
|
||
<h2 id="performance-issues">Performance Issues<a class="headerlink" href="#performance-issues" title="Permanent link">¶</a></h2>
|
||
<h3 id="slow-container-startup">Slow Container Startup<a class="headerlink" href="#slow-container-startup" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🟡 Medium</p>
|
||
<h4 id="symptoms_13">Symptoms<a class="headerlink" href="#symptoms_13" title="Permanent link">¶</a></h4>
|
||
<p>Container takes minutes to start:</p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-97-1"><a id="__codelineno-97-1" name="__codelineno-97-1" href="#__codelineno-97-1"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>api
|
||
</span><span id="__span-97-2"><a id="__codelineno-97-2" name="__codelineno-97-2" href="#__codelineno-97-2"></a><span class="c1"># Creating api ... (2 minutes)</span>
|
||
</span><span id="__span-97-3"><a id="__codelineno-97-3" name="__codelineno-97-3" href="#__codelineno-97-3"></a><span class="c1"># Creating api ... done</span>
|
||
</span></code></pre></div>
|
||
<h4 id="common-causes_13">Common Causes<a class="headerlink" href="#common-causes_13" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Large image</strong> - Downloading/extracting large image</li>
|
||
<li><strong>Many dependencies</strong> - npm install taking long</li>
|
||
<li><strong>Health check delay</strong> - Waiting for health checks</li>
|
||
<li><strong>Slow disk</strong> - I/O bottleneck</li>
|
||
</ol>
|
||
<h4 id="solutions_13">Solutions<a class="headerlink" href="#solutions_13" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Use pre-built image</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-98-1"><a id="__codelineno-98-1" name="__codelineno-98-1" href="#__codelineno-98-1"></a><span class="c1"># Instead of building locally</span>
|
||
</span><span id="__span-98-2"><a id="__codelineno-98-2" name="__codelineno-98-2" href="#__codelineno-98-2"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-98-3"><a id="__codelineno-98-3" name="__codelineno-98-3" href="#__codelineno-98-3"></a><span class="w"> </span><span class="nt">build</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">./api</span>
|
||
</span><span id="__span-98-4"><a id="__codelineno-98-4" name="__codelineno-98-4" href="#__codelineno-98-4"></a>
|
||
</span><span id="__span-98-5"><a id="__codelineno-98-5" name="__codelineno-98-5" href="#__codelineno-98-5"></a><span class="c1"># Use pre-built image from registry</span>
|
||
</span><span id="__span-98-6"><a id="__codelineno-98-6" name="__codelineno-98-6" href="#__codelineno-98-6"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-98-7"><a id="__codelineno-98-7" name="__codelineno-98-7" href="#__codelineno-98-7"></a><span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">ghcr.io/yourorg/changemaker-api:latest</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Layer caching</strong></p>
|
||
<div class="language-dockerfile highlight"><pre><span></span><code><span id="__span-99-1"><a id="__codelineno-99-1" name="__codelineno-99-1" href="#__codelineno-99-1"></a><span class="c"># In Dockerfile, copy package files first</span>
|
||
</span><span id="__span-99-2"><a id="__codelineno-99-2" name="__codelineno-99-2" href="#__codelineno-99-2"></a><span class="k">COPY</span><span class="w"> </span>package*.json<span class="w"> </span>./
|
||
</span><span id="__span-99-3"><a id="__codelineno-99-3" name="__codelineno-99-3" href="#__codelineno-99-3"></a><span class="k">RUN</span><span class="w"> </span>npm<span class="w"> </span>ci
|
||
</span><span id="__span-99-4"><a id="__codelineno-99-4" name="__codelineno-99-4" href="#__codelineno-99-4"></a>
|
||
</span><span id="__span-99-5"><a id="__codelineno-99-5" name="__codelineno-99-5" href="#__codelineno-99-5"></a><span class="c"># Then copy code (changes more frequently)</span>
|
||
</span><span id="__span-99-6"><a id="__codelineno-99-6" name="__codelineno-99-6" href="#__codelineno-99-6"></a><span class="k">COPY</span><span class="w"> </span>.<span class="w"> </span>.
|
||
</span><span id="__span-99-7"><a id="__codelineno-99-7" name="__codelineno-99-7" href="#__codelineno-99-7"></a><span class="k">RUN</span><span class="w"> </span>npm<span class="w"> </span>run<span class="w"> </span>build
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Multi-stage builds</strong></p>
|
||
<div class="language-dockerfile highlight"><pre><span></span><code><span id="__span-100-1"><a id="__codelineno-100-1" name="__codelineno-100-1" href="#__codelineno-100-1"></a><span class="c"># Build stage</span>
|
||
</span><span id="__span-100-2"><a id="__codelineno-100-2" name="__codelineno-100-2" href="#__codelineno-100-2"></a><span class="k">FROM</span><span class="w"> </span><span class="s">node:20-alpine</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="s">builder</span>
|
||
</span><span id="__span-100-3"><a id="__codelineno-100-3" name="__codelineno-100-3" href="#__codelineno-100-3"></a><span class="k">WORKDIR</span><span class="w"> </span><span class="s">/app</span>
|
||
</span><span id="__span-100-4"><a id="__codelineno-100-4" name="__codelineno-100-4" href="#__codelineno-100-4"></a><span class="k">COPY</span><span class="w"> </span>package*.json<span class="w"> </span>./
|
||
</span><span id="__span-100-5"><a id="__codelineno-100-5" name="__codelineno-100-5" href="#__codelineno-100-5"></a><span class="k">RUN</span><span class="w"> </span>npm<span class="w"> </span>ci
|
||
</span><span id="__span-100-6"><a id="__codelineno-100-6" name="__codelineno-100-6" href="#__codelineno-100-6"></a><span class="k">COPY</span><span class="w"> </span>.<span class="w"> </span>.
|
||
</span><span id="__span-100-7"><a id="__codelineno-100-7" name="__codelineno-100-7" href="#__codelineno-100-7"></a><span class="k">RUN</span><span class="w"> </span>npm<span class="w"> </span>run<span class="w"> </span>build
|
||
</span><span id="__span-100-8"><a id="__codelineno-100-8" name="__codelineno-100-8" href="#__codelineno-100-8"></a>
|
||
</span><span id="__span-100-9"><a id="__codelineno-100-9" name="__codelineno-100-9" href="#__codelineno-100-9"></a><span class="c"># Runtime stage (smaller)</span>
|
||
</span><span id="__span-100-10"><a id="__codelineno-100-10" name="__codelineno-100-10" href="#__codelineno-100-10"></a><span class="k">FROM</span><span class="w"> </span><span class="s">node:20-alpine</span>
|
||
</span><span id="__span-100-11"><a id="__codelineno-100-11" name="__codelineno-100-11" href="#__codelineno-100-11"></a><span class="k">WORKDIR</span><span class="w"> </span><span class="s">/app</span>
|
||
</span><span id="__span-100-12"><a id="__codelineno-100-12" name="__codelineno-100-12" href="#__codelineno-100-12"></a><span class="k">COPY</span><span class="w"> </span>--from<span class="o">=</span>builder<span class="w"> </span>/app/dist<span class="w"> </span>./dist
|
||
</span><span id="__span-100-13"><a id="__codelineno-100-13" name="__codelineno-100-13" href="#__codelineno-100-13"></a><span class="k">COPY</span><span class="w"> </span>--from<span class="o">=</span>builder<span class="w"> </span>/app/node_modules<span class="w"> </span>./node_modules
|
||
</span><span id="__span-100-14"><a id="__codelineno-100-14" name="__codelineno-100-14" href="#__codelineno-100-14"></a><span class="k">COPY</span><span class="w"> </span>package*.json<span class="w"> </span>./
|
||
</span><span id="__span-100-15"><a id="__codelineno-100-15" name="__codelineno-100-15" href="#__codelineno-100-15"></a><span class="k">CMD</span><span class="w"> </span><span class="p">[</span><span class="s2">"node"</span><span class="p">,</span><span class="w"> </span><span class="s2">"dist/server.js"</span><span class="p">]</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Increase Docker resources</strong></p>
|
||
<p>In Docker Desktop settings:</p>
|
||
<ul>
|
||
<li>CPU: 4+ cores</li>
|
||
<li>Memory: 8GB+</li>
|
||
<li>Disk: Fast SSD</li>
|
||
</ul>
|
||
<p><strong>Solution 5: Parallel builds</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-101-1"><a id="__codelineno-101-1" name="__codelineno-101-1" href="#__codelineno-101-1"></a><span class="c1"># Build all services in parallel</span>
|
||
</span><span id="__span-101-2"><a id="__codelineno-101-2" name="__codelineno-101-2" href="#__codelineno-101-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>build<span class="w"> </span>--parallel
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_13">Prevention<a class="headerlink" href="#prevention_13" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Optimize Dockerfile</strong> - Layer caching, multi-stage</li>
|
||
<li><strong>Small base images</strong> - Alpine instead of full images</li>
|
||
<li><strong>Registry caching</strong> - Pull from registry instead of building</li>
|
||
<li><strong>Resource allocation</strong> - Adequate CPU/memory for Docker</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="high-cpu-usage">High CPU Usage<a class="headerlink" href="#high-cpu-usage" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🟠 High</p>
|
||
<h4 id="symptoms_14">Symptoms<a class="headerlink" href="#symptoms_14" title="Permanent link">¶</a></h4>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-102-1"><a id="__codelineno-102-1" name="__codelineno-102-1" href="#__codelineno-102-1"></a>docker<span class="w"> </span>stats
|
||
</span><span id="__span-102-2"><a id="__codelineno-102-2" name="__codelineno-102-2" href="#__codelineno-102-2"></a><span class="c1"># CONTAINER CPU %</span>
|
||
</span><span id="__span-102-3"><a id="__codelineno-102-3" name="__codelineno-102-3" href="#__codelineno-102-3"></a><span class="c1"># api 95%</span>
|
||
</span></code></pre></div>
|
||
<p>Container consuming excessive CPU.</p>
|
||
<h4 id="common-causes_14">Common Causes<a class="headerlink" href="#common-causes_14" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Infinite loop</strong> - Bug causing tight loop</li>
|
||
<li><strong>Heavy computation</strong> - Processing large dataset</li>
|
||
<li><strong>Too many workers</strong> - Worker threads maxed out</li>
|
||
<li><strong>Memory thrashing</strong> - Swapping due to low memory</li>
|
||
</ol>
|
||
<h4 id="solutions_14">Solutions<a class="headerlink" href="#solutions_14" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Identify process</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-103-1"><a id="__codelineno-103-1" name="__codelineno-103-1" href="#__codelineno-103-1"></a><span class="c1"># Top inside container</span>
|
||
</span><span id="__span-103-2"><a id="__codelineno-103-2" name="__codelineno-103-2" href="#__codelineno-103-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>top
|
||
</span><span id="__span-103-3"><a id="__codelineno-103-3" name="__codelineno-103-3" href="#__codelineno-103-3"></a>
|
||
</span><span id="__span-103-4"><a id="__codelineno-103-4" name="__codelineno-103-4" href="#__codelineno-103-4"></a><span class="c1"># Shows process using CPU</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Check for loops</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-104-1"><a id="__codelineno-104-1" name="__codelineno-104-1" href="#__codelineno-104-1"></a><span class="c1"># View logs for repeated messages</span>
|
||
</span><span id="__span-104-2"><a id="__codelineno-104-2" name="__codelineno-104-2" href="#__codelineno-104-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>tail<span class="w"> </span>-100
|
||
</span><span id="__span-104-3"><a id="__codelineno-104-3" name="__codelineno-104-3" href="#__codelineno-104-3"></a>
|
||
</span><span id="__span-104-4"><a id="__codelineno-104-4" name="__codelineno-104-4" href="#__codelineno-104-4"></a><span class="c1"># Restart if stuck</span>
|
||
</span><span id="__span-104-5"><a id="__codelineno-104-5" name="__codelineno-104-5" href="#__codelineno-104-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>restart<span class="w"> </span>api
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Limit worker threads</strong></p>
|
||
<div class="language-javascript highlight"><pre><span></span><code><span id="__span-105-1"><a id="__codelineno-105-1" name="__codelineno-105-1" href="#__codelineno-105-1"></a><span class="c1">// In BullMQ worker</span>
|
||
</span><span id="__span-105-2"><a id="__codelineno-105-2" name="__codelineno-105-2" href="#__codelineno-105-2"></a><span class="ow">new</span><span class="w"> </span><span class="nx">Worker</span><span class="p">(</span><span class="s1">'queueName'</span><span class="p">,</span><span class="w"> </span><span class="nx">processor</span><span class="p">,</span><span class="w"> </span><span class="p">{</span>
|
||
</span><span id="__span-105-3"><a id="__codelineno-105-3" name="__codelineno-105-3" href="#__codelineno-105-3"></a><span class="w"> </span><span class="nx">concurrency</span><span class="o">:</span><span class="w"> </span><span class="mf">2</span><span class="p">,</span><span class="w"> </span><span class="c1">// Reduce from 10</span>
|
||
</span><span id="__span-105-4"><a id="__codelineno-105-4" name="__codelineno-105-4" href="#__codelineno-105-4"></a><span class="w"> </span><span class="nx">limiter</span><span class="o">:</span><span class="w"> </span><span class="p">{</span>
|
||
</span><span id="__span-105-5"><a id="__codelineno-105-5" name="__codelineno-105-5" href="#__codelineno-105-5"></a><span class="w"> </span><span class="nx">max</span><span class="o">:</span><span class="w"> </span><span class="mf">10</span><span class="p">,</span>
|
||
</span><span id="__span-105-6"><a id="__codelineno-105-6" name="__codelineno-105-6" href="#__codelineno-105-6"></a><span class="w"> </span><span class="nx">duration</span><span class="o">:</span><span class="w"> </span><span class="mf">1000</span><span class="w"> </span><span class="c1">// Max 10 jobs per second</span>
|
||
</span><span id="__span-105-7"><a id="__codelineno-105-7" name="__codelineno-105-7" href="#__codelineno-105-7"></a><span class="w"> </span><span class="p">}</span>
|
||
</span><span id="__span-105-8"><a id="__codelineno-105-8" name="__codelineno-105-8" href="#__codelineno-105-8"></a><span class="p">});</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Set CPU limits</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-106-1"><a id="__codelineno-106-1" name="__codelineno-106-1" href="#__codelineno-106-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-106-2"><a id="__codelineno-106-2" name="__codelineno-106-2" href="#__codelineno-106-2"></a><span class="w"> </span><span class="nt">deploy</span><span class="p">:</span>
|
||
</span><span id="__span-106-3"><a id="__codelineno-106-3" name="__codelineno-106-3" href="#__codelineno-106-3"></a><span class="w"> </span><span class="nt">resources</span><span class="p">:</span>
|
||
</span><span id="__span-106-4"><a id="__codelineno-106-4" name="__codelineno-106-4" href="#__codelineno-106-4"></a><span class="w"> </span><span class="nt">limits</span><span class="p">:</span>
|
||
</span><span id="__span-106-5"><a id="__codelineno-106-5" name="__codelineno-106-5" href="#__codelineno-106-5"></a><span class="w"> </span><span class="nt">cpus</span><span class="p">:</span><span class="w"> </span><span class="s">'2.0'</span><span class="w"> </span><span class="c1"># Max 2 CPUs</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Profile application</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-107-1"><a id="__codelineno-107-1" name="__codelineno-107-1" href="#__codelineno-107-1"></a><span class="c1"># Use Node.js profiler</span>
|
||
</span><span id="__span-107-2"><a id="__codelineno-107-2" name="__codelineno-107-2" href="#__codelineno-107-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>node<span class="w"> </span>--prof<span class="w"> </span>dist/server.js
|
||
</span><span id="__span-107-3"><a id="__codelineno-107-3" name="__codelineno-107-3" href="#__codelineno-107-3"></a>
|
||
</span><span id="__span-107-4"><a id="__codelineno-107-4" name="__codelineno-107-4" href="#__codelineno-107-4"></a><span class="c1"># Or clinic.js</span>
|
||
</span><span id="__span-107-5"><a id="__codelineno-107-5" name="__codelineno-107-5" href="#__codelineno-107-5"></a>npm<span class="w"> </span>install<span class="w"> </span>-g<span class="w"> </span>clinic
|
||
</span><span id="__span-107-6"><a id="__codelineno-107-6" name="__codelineno-107-6" href="#__codelineno-107-6"></a>clinic<span class="w"> </span>doctor<span class="w"> </span>--<span class="w"> </span>node<span class="w"> </span>dist/server.js
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_14">Prevention<a class="headerlink" href="#prevention_14" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Monitor CPU</strong> - Alert on high usage</li>
|
||
<li><strong>Rate limiting</strong> - Limit request rate</li>
|
||
<li><strong>Queue management</strong> - Control worker concurrency</li>
|
||
<li><strong>Performance testing</strong> - Load test regularly</li>
|
||
</ul>
|
||
<hr />
|
||
<h3 id="high-memory-usage">High Memory Usage<a class="headerlink" href="#high-memory-usage" title="Permanent link">¶</a></h3>
|
||
<p><strong>Severity:</strong> 🟠 High</p>
|
||
<h4 id="symptoms_15">Symptoms<a class="headerlink" href="#symptoms_15" title="Permanent link">¶</a></h4>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-108-1"><a id="__codelineno-108-1" name="__codelineno-108-1" href="#__codelineno-108-1"></a>docker<span class="w"> </span>stats
|
||
</span><span id="__span-108-2"><a id="__codelineno-108-2" name="__codelineno-108-2" href="#__codelineno-108-2"></a><span class="c1"># CONTAINER MEM USAGE / LIMIT</span>
|
||
</span><span id="__span-108-3"><a id="__codelineno-108-3" name="__codelineno-108-3" href="#__codelineno-108-3"></a><span class="c1"># api 3.8GiB / 4GiB</span>
|
||
</span></code></pre></div>
|
||
<p>Memory usage keeps increasing.</p>
|
||
<h4 id="common-causes_15">Common Causes<a class="headerlink" href="#common-causes_15" title="Permanent link">¶</a></h4>
|
||
<ol>
|
||
<li><strong>Memory leak</strong> - Not releasing memory</li>
|
||
<li><strong>Large cache</strong> - Caching too much data</li>
|
||
<li><strong>Database connections</strong> - Too many open connections</li>
|
||
<li><strong>Large response bodies</strong> - Sending huge payloads</li>
|
||
</ol>
|
||
<h4 id="solutions_15">Solutions<a class="headerlink" href="#solutions_15" title="Permanent link">¶</a></h4>
|
||
<p><strong>Solution 1: Identify memory usage</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-109-1"><a id="__codelineno-109-1" name="__codelineno-109-1" href="#__codelineno-109-1"></a><span class="c1"># Memory breakdown inside container</span>
|
||
</span><span id="__span-109-2"><a id="__codelineno-109-2" name="__codelineno-109-2" href="#__codelineno-109-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>sh<span class="w"> </span>-c<span class="w"> </span><span class="s1">'cat /proc/meminfo'</span>
|
||
</span><span id="__span-109-3"><a id="__codelineno-109-3" name="__codelineno-109-3" href="#__codelineno-109-3"></a>
|
||
</span><span id="__span-109-4"><a id="__codelineno-109-4" name="__codelineno-109-4" href="#__codelineno-109-4"></a><span class="c1"># Node.js heap stats</span>
|
||
</span><span id="__span-109-5"><a id="__codelineno-109-5" name="__codelineno-109-5" href="#__codelineno-109-5"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>node<span class="w"> </span>-e<span class="w"> </span><span class="s2">"console.log(process.memoryUsage())"</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 2: Restart to free memory</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-110-1"><a id="__codelineno-110-1" name="__codelineno-110-1" href="#__codelineno-110-1"></a><span class="c1"># Temporary fix</span>
|
||
</span><span id="__span-110-2"><a id="__codelineno-110-2" name="__codelineno-110-2" href="#__codelineno-110-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>restart<span class="w"> </span>api
|
||
</span><span id="__span-110-3"><a id="__codelineno-110-3" name="__codelineno-110-3" href="#__codelineno-110-3"></a>
|
||
</span><span id="__span-110-4"><a id="__codelineno-110-4" name="__codelineno-110-4" href="#__codelineno-110-4"></a><span class="c1"># Memory should drop</span>
|
||
</span><span id="__span-110-5"><a id="__codelineno-110-5" name="__codelineno-110-5" href="#__codelineno-110-5"></a>docker<span class="w"> </span>stats<span class="w"> </span>api
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 3: Reduce cache size</strong></p>
|
||
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-111-1"><a id="__codelineno-111-1" name="__codelineno-111-1" href="#__codelineno-111-1"></a><span class="c1">// In Redis cache</span>
|
||
</span><span id="__span-111-2"><a id="__codelineno-111-2" name="__codelineno-111-2" href="#__codelineno-111-2"></a><span class="nx">redis</span><span class="p">.</span><span class="nx">set</span><span class="p">(</span><span class="nx">key</span><span class="p">,</span><span class="w"> </span><span class="nx">value</span><span class="p">,</span><span class="w"> </span><span class="s1">'EX'</span><span class="p">,</span><span class="w"> </span><span class="mf">3600</span><span class="p">);</span><span class="w"> </span><span class="c1">// Expire after 1 hour</span>
|
||
</span><span id="__span-111-3"><a id="__codelineno-111-3" name="__codelineno-111-3" href="#__codelineno-111-3"></a>
|
||
</span><span id="__span-111-4"><a id="__codelineno-111-4" name="__codelineno-111-4" href="#__codelineno-111-4"></a><span class="c1">// Limit cache size</span>
|
||
</span><span id="__span-111-5"><a id="__codelineno-111-5" name="__codelineno-111-5" href="#__codelineno-111-5"></a><span class="kd">const</span><span class="w"> </span><span class="nx">cache</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nx">LRU</span><span class="p">({</span>
|
||
</span><span id="__span-111-6"><a id="__codelineno-111-6" name="__codelineno-111-6" href="#__codelineno-111-6"></a><span class="w"> </span><span class="nx">max</span><span class="o">:</span><span class="w"> </span><span class="kt">1000</span><span class="p">,</span><span class="w"> </span><span class="c1">// Max 1000 entries</span>
|
||
</span><span id="__span-111-7"><a id="__codelineno-111-7" name="__codelineno-111-7" href="#__codelineno-111-7"></a><span class="w"> </span><span class="nx">maxAge</span><span class="o">:</span><span class="w"> </span><span class="kt">3600000</span><span class="w"> </span><span class="c1">// 1 hour</span>
|
||
</span><span id="__span-111-8"><a id="__codelineno-111-8" name="__codelineno-111-8" href="#__codelineno-111-8"></a><span class="p">});</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 4: Set memory limit</strong></p>
|
||
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-112-1"><a id="__codelineno-112-1" name="__codelineno-112-1" href="#__codelineno-112-1"></a><span class="nt">api</span><span class="p">:</span>
|
||
</span><span id="__span-112-2"><a id="__codelineno-112-2" name="__codelineno-112-2" href="#__codelineno-112-2"></a><span class="w"> </span><span class="nt">deploy</span><span class="p">:</span>
|
||
</span><span id="__span-112-3"><a id="__codelineno-112-3" name="__codelineno-112-3" href="#__codelineno-112-3"></a><span class="w"> </span><span class="nt">resources</span><span class="p">:</span>
|
||
</span><span id="__span-112-4"><a id="__codelineno-112-4" name="__codelineno-112-4" href="#__codelineno-112-4"></a><span class="w"> </span><span class="nt">limits</span><span class="p">:</span>
|
||
</span><span id="__span-112-5"><a id="__codelineno-112-5" name="__codelineno-112-5" href="#__codelineno-112-5"></a><span class="w"> </span><span class="nt">memory</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">2G</span><span class="w"> </span><span class="c1"># Hard limit</span>
|
||
</span><span id="__span-112-6"><a id="__codelineno-112-6" name="__codelineno-112-6" href="#__codelineno-112-6"></a><span class="w"> </span><span class="nt">reservations</span><span class="p">:</span>
|
||
</span><span id="__span-112-7"><a id="__codelineno-112-7" name="__codelineno-112-7" href="#__codelineno-112-7"></a><span class="w"> </span><span class="nt">memory</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">1G</span><span class="w"> </span><span class="c1"># Reserved amount</span>
|
||
</span></code></pre></div>
|
||
<p><strong>Solution 5: Find memory leak</strong></p>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-113-1"><a id="__codelineno-113-1" name="__codelineno-113-1" href="#__codelineno-113-1"></a><span class="c1"># Take heap snapshot</span>
|
||
</span><span id="__span-113-2"><a id="__codelineno-113-2" name="__codelineno-113-2" href="#__codelineno-113-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>node<span class="w"> </span>--expose-gc<span class="w"> </span>--inspect<span class="w"> </span>dist/server.js
|
||
</span><span id="__span-113-3"><a id="__codelineno-113-3" name="__codelineno-113-3" href="#__codelineno-113-3"></a>
|
||
</span><span id="__span-113-4"><a id="__codelineno-113-4" name="__codelineno-113-4" href="#__codelineno-113-4"></a><span class="c1"># Use Chrome DevTools to analyze</span>
|
||
</span><span id="__span-113-5"><a id="__codelineno-113-5" name="__codelineno-113-5" href="#__codelineno-113-5"></a><span class="c1"># chrome://inspect</span>
|
||
</span></code></pre></div>
|
||
<h4 id="prevention_15">Prevention<a class="headerlink" href="#prevention_15" title="Permanent link">¶</a></h4>
|
||
<ul>
|
||
<li><strong>Monitor memory</strong> - Alert on high usage</li>
|
||
<li><strong>Memory limits</strong> - Prevent runaway processes</li>
|
||
<li><strong>Regular restarts</strong> - Restart daily if leaking</li>
|
||
<li><strong>Memory profiling</strong> - Profile in staging</li>
|
||
</ul>
|
||
<hr />
|
||
<h2 id="useful-commands">Useful Commands<a class="headerlink" href="#useful-commands" title="Permanent link">¶</a></h2>
|
||
<h3 id="viewing-logs">Viewing Logs<a class="headerlink" href="#viewing-logs" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-114-1"><a id="__codelineno-114-1" name="__codelineno-114-1" href="#__codelineno-114-1"></a><span class="c1"># Last 100 lines</span>
|
||
</span><span id="__span-114-2"><a id="__codelineno-114-2" name="__codelineno-114-2" href="#__codelineno-114-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span>--tail<span class="o">=</span><span class="m">100</span>
|
||
</span><span id="__span-114-3"><a id="__codelineno-114-3" name="__codelineno-114-3" href="#__codelineno-114-3"></a>
|
||
</span><span id="__span-114-4"><a id="__codelineno-114-4" name="__codelineno-114-4" href="#__codelineno-114-4"></a><span class="c1"># Follow logs (real-time)</span>
|
||
</span><span id="__span-114-5"><a id="__codelineno-114-5" name="__codelineno-114-5" href="#__codelineno-114-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>-f<span class="w"> </span>api
|
||
</span><span id="__span-114-6"><a id="__codelineno-114-6" name="__codelineno-114-6" href="#__codelineno-114-6"></a>
|
||
</span><span id="__span-114-7"><a id="__codelineno-114-7" name="__codelineno-114-7" href="#__codelineno-114-7"></a><span class="c1"># All services</span>
|
||
</span><span id="__span-114-8"><a id="__codelineno-114-8" name="__codelineno-114-8" href="#__codelineno-114-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs
|
||
</span><span id="__span-114-9"><a id="__codelineno-114-9" name="__codelineno-114-9" href="#__codelineno-114-9"></a>
|
||
</span><span id="__span-114-10"><a id="__codelineno-114-10" name="__codelineno-114-10" href="#__codelineno-114-10"></a><span class="c1"># Since timestamp</span>
|
||
</span><span id="__span-114-11"><a id="__codelineno-114-11" name="__codelineno-114-11" href="#__codelineno-114-11"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>--since<span class="o">=</span><span class="s2">"2026-02-13T10:00:00"</span>
|
||
</span><span id="__span-114-12"><a id="__codelineno-114-12" name="__codelineno-114-12" href="#__codelineno-114-12"></a>
|
||
</span><span id="__span-114-13"><a id="__codelineno-114-13" name="__codelineno-114-13" href="#__codelineno-114-13"></a><span class="c1"># Filter by keyword</span>
|
||
</span><span id="__span-114-14"><a id="__codelineno-114-14" name="__codelineno-114-14" href="#__codelineno-114-14"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-i<span class="w"> </span>error
|
||
</span><span id="__span-114-15"><a id="__codelineno-114-15" name="__codelineno-114-15" href="#__codelineno-114-15"></a>
|
||
</span><span id="__span-114-16"><a id="__codelineno-114-16" name="__codelineno-114-16" href="#__codelineno-114-16"></a><span class="c1"># Save to file</span>
|
||
</span><span id="__span-114-17"><a id="__codelineno-114-17" name="__codelineno-114-17" href="#__codelineno-114-17"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span>><span class="w"> </span>api-logs.txt
|
||
</span></code></pre></div>
|
||
<h3 id="executing-commands">Executing Commands<a class="headerlink" href="#executing-commands" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-115-1"><a id="__codelineno-115-1" name="__codelineno-115-1" href="#__codelineno-115-1"></a><span class="c1"># Run command in running container</span>
|
||
</span><span id="__span-115-2"><a id="__codelineno-115-2" name="__codelineno-115-2" href="#__codelineno-115-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>npm<span class="w"> </span>run<span class="w"> </span>migrate
|
||
</span><span id="__span-115-3"><a id="__codelineno-115-3" name="__codelineno-115-3" href="#__codelineno-115-3"></a>
|
||
</span><span id="__span-115-4"><a id="__codelineno-115-4" name="__codelineno-115-4" href="#__codelineno-115-4"></a><span class="c1"># Interactive shell</span>
|
||
</span><span id="__span-115-5"><a id="__codelineno-115-5" name="__codelineno-115-5" href="#__codelineno-115-5"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>api<span class="w"> </span>sh
|
||
</span><span id="__span-115-6"><a id="__codelineno-115-6" name="__codelineno-115-6" href="#__codelineno-115-6"></a>
|
||
</span><span id="__span-115-7"><a id="__codelineno-115-7" name="__codelineno-115-7" href="#__codelineno-115-7"></a><span class="c1"># Run as different user</span>
|
||
</span><span id="__span-115-8"><a id="__codelineno-115-8" name="__codelineno-115-8" href="#__codelineno-115-8"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>-u<span class="w"> </span>root<span class="w"> </span>api<span class="w"> </span>sh
|
||
</span><span id="__span-115-9"><a id="__codelineno-115-9" name="__codelineno-115-9" href="#__codelineno-115-9"></a>
|
||
</span><span id="__span-115-10"><a id="__codelineno-115-10" name="__codelineno-115-10" href="#__codelineno-115-10"></a><span class="c1"># Run in new container (one-off)</span>
|
||
</span><span id="__span-115-11"><a id="__codelineno-115-11" name="__codelineno-115-11" href="#__codelineno-115-11"></a>docker<span class="w"> </span>compose<span class="w"> </span>run<span class="w"> </span>--rm<span class="w"> </span>api<span class="w"> </span>npm<span class="w"> </span><span class="nb">test</span>
|
||
</span></code></pre></div>
|
||
<h3 id="inspecting-containers">Inspecting Containers<a class="headerlink" href="#inspecting-containers" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-116-1"><a id="__codelineno-116-1" name="__codelineno-116-1" href="#__codelineno-116-1"></a><span class="c1"># View container details</span>
|
||
</span><span id="__span-116-2"><a id="__codelineno-116-2" name="__codelineno-116-2" href="#__codelineno-116-2"></a>docker<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite-api-1
|
||
</span><span id="__span-116-3"><a id="__codelineno-116-3" name="__codelineno-116-3" href="#__codelineno-116-3"></a>
|
||
</span><span id="__span-116-4"><a id="__codelineno-116-4" name="__codelineno-116-4" href="#__codelineno-116-4"></a><span class="c1"># View specific field</span>
|
||
</span><span id="__span-116-5"><a id="__codelineno-116-5" name="__codelineno-116-5" href="#__codelineno-116-5"></a>docker<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite-api-1<span class="w"> </span>--format<span class="o">=</span><span class="s1">'{{.State.Status}}'</span>
|
||
</span><span id="__span-116-6"><a id="__codelineno-116-6" name="__codelineno-116-6" href="#__codelineno-116-6"></a>
|
||
</span><span id="__span-116-7"><a id="__codelineno-116-7" name="__codelineno-116-7" href="#__codelineno-116-7"></a><span class="c1"># View environment variables</span>
|
||
</span><span id="__span-116-8"><a id="__codelineno-116-8" name="__codelineno-116-8" href="#__codelineno-116-8"></a>docker<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite-api-1<span class="w"> </span>--format<span class="o">=</span><span class="s1">'{{range .Config.Env}}{{println .}}{{end}}'</span>
|
||
</span><span id="__span-116-9"><a id="__codelineno-116-9" name="__codelineno-116-9" href="#__codelineno-116-9"></a>
|
||
</span><span id="__span-116-10"><a id="__codelineno-116-10" name="__codelineno-116-10" href="#__codelineno-116-10"></a><span class="c1"># View mounts</span>
|
||
</span><span id="__span-116-11"><a id="__codelineno-116-11" name="__codelineno-116-11" href="#__codelineno-116-11"></a>docker<span class="w"> </span>inspect<span class="w"> </span>changemaker-lite-api-1<span class="w"> </span>--format<span class="o">=</span><span class="s1">'{{json .Mounts}}'</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>jq
|
||
</span></code></pre></div>
|
||
<h3 id="container-management">Container Management<a class="headerlink" href="#container-management" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-117-1"><a id="__codelineno-117-1" name="__codelineno-117-1" href="#__codelineno-117-1"></a><span class="c1"># Start all services</span>
|
||
</span><span id="__span-117-2"><a id="__codelineno-117-2" name="__codelineno-117-2" href="#__codelineno-117-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d
|
||
</span><span id="__span-117-3"><a id="__codelineno-117-3" name="__codelineno-117-3" href="#__codelineno-117-3"></a>
|
||
</span><span id="__span-117-4"><a id="__codelineno-117-4" name="__codelineno-117-4" href="#__codelineno-117-4"></a><span class="c1"># Start specific service</span>
|
||
</span><span id="__span-117-5"><a id="__codelineno-117-5" name="__codelineno-117-5" href="#__codelineno-117-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>api
|
||
</span><span id="__span-117-6"><a id="__codelineno-117-6" name="__codelineno-117-6" href="#__codelineno-117-6"></a>
|
||
</span><span id="__span-117-7"><a id="__codelineno-117-7" name="__codelineno-117-7" href="#__codelineno-117-7"></a><span class="c1"># Stop all services</span>
|
||
</span><span id="__span-117-8"><a id="__codelineno-117-8" name="__codelineno-117-8" href="#__codelineno-117-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>stop
|
||
</span><span id="__span-117-9"><a id="__codelineno-117-9" name="__codelineno-117-9" href="#__codelineno-117-9"></a>
|
||
</span><span id="__span-117-10"><a id="__codelineno-117-10" name="__codelineno-117-10" href="#__codelineno-117-10"></a><span class="c1"># Stop specific service</span>
|
||
</span><span id="__span-117-11"><a id="__codelineno-117-11" name="__codelineno-117-11" href="#__codelineno-117-11"></a>docker<span class="w"> </span>compose<span class="w"> </span>stop<span class="w"> </span>api
|
||
</span><span id="__span-117-12"><a id="__codelineno-117-12" name="__codelineno-117-12" href="#__codelineno-117-12"></a>
|
||
</span><span id="__span-117-13"><a id="__codelineno-117-13" name="__codelineno-117-13" href="#__codelineno-117-13"></a><span class="c1"># Restart service</span>
|
||
</span><span id="__span-117-14"><a id="__codelineno-117-14" name="__codelineno-117-14" href="#__codelineno-117-14"></a>docker<span class="w"> </span>compose<span class="w"> </span>restart<span class="w"> </span>api
|
||
</span><span id="__span-117-15"><a id="__codelineno-117-15" name="__codelineno-117-15" href="#__codelineno-117-15"></a>
|
||
</span><span id="__span-117-16"><a id="__codelineno-117-16" name="__codelineno-117-16" href="#__codelineno-117-16"></a><span class="c1"># Remove stopped containers</span>
|
||
</span><span id="__span-117-17"><a id="__codelineno-117-17" name="__codelineno-117-17" href="#__codelineno-117-17"></a>docker<span class="w"> </span>compose<span class="w"> </span>rm
|
||
</span><span id="__span-117-18"><a id="__codelineno-117-18" name="__codelineno-117-18" href="#__codelineno-117-18"></a>
|
||
</span><span id="__span-117-19"><a id="__codelineno-117-19" name="__codelineno-117-19" href="#__codelineno-117-19"></a><span class="c1"># Stop and remove</span>
|
||
</span><span id="__span-117-20"><a id="__codelineno-117-20" name="__codelineno-117-20" href="#__codelineno-117-20"></a>docker<span class="w"> </span>compose<span class="w"> </span>down
|
||
</span></code></pre></div>
|
||
<h3 id="rebuilding">Rebuilding<a class="headerlink" href="#rebuilding" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-118-1"><a id="__codelineno-118-1" name="__codelineno-118-1" href="#__codelineno-118-1"></a><span class="c1"># Rebuild single service</span>
|
||
</span><span id="__span-118-2"><a id="__codelineno-118-2" name="__codelineno-118-2" href="#__codelineno-118-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>build<span class="w"> </span>api
|
||
</span><span id="__span-118-3"><a id="__codelineno-118-3" name="__codelineno-118-3" href="#__codelineno-118-3"></a>
|
||
</span><span id="__span-118-4"><a id="__codelineno-118-4" name="__codelineno-118-4" href="#__codelineno-118-4"></a><span class="c1"># Rebuild without cache</span>
|
||
</span><span id="__span-118-5"><a id="__codelineno-118-5" name="__codelineno-118-5" href="#__codelineno-118-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>build<span class="w"> </span>--no-cache<span class="w"> </span>api
|
||
</span><span id="__span-118-6"><a id="__codelineno-118-6" name="__codelineno-118-6" href="#__codelineno-118-6"></a>
|
||
</span><span id="__span-118-7"><a id="__codelineno-118-7" name="__codelineno-118-7" href="#__codelineno-118-7"></a><span class="c1"># Build all services</span>
|
||
</span><span id="__span-118-8"><a id="__codelineno-118-8" name="__codelineno-118-8" href="#__codelineno-118-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>build
|
||
</span><span id="__span-118-9"><a id="__codelineno-118-9" name="__codelineno-118-9" href="#__codelineno-118-9"></a>
|
||
</span><span id="__span-118-10"><a id="__codelineno-118-10" name="__codelineno-118-10" href="#__codelineno-118-10"></a><span class="c1"># Build and start</span>
|
||
</span><span id="__span-118-11"><a id="__codelineno-118-11" name="__codelineno-118-11" href="#__codelineno-118-11"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>--build
|
||
</span><span id="__span-118-12"><a id="__codelineno-118-12" name="__codelineno-118-12" href="#__codelineno-118-12"></a>
|
||
</span><span id="__span-118-13"><a id="__codelineno-118-13" name="__codelineno-118-13" href="#__codelineno-118-13"></a><span class="c1"># Force recreate containers</span>
|
||
</span><span id="__span-118-14"><a id="__codelineno-118-14" name="__codelineno-118-14" href="#__codelineno-118-14"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>--force-recreate
|
||
</span></code></pre></div>
|
||
<hr />
|
||
<h2 id="log-analysis">Log Analysis<a class="headerlink" href="#log-analysis" title="Permanent link">¶</a></h2>
|
||
<h3 id="reading-container-logs">Reading Container Logs<a class="headerlink" href="#reading-container-logs" title="Permanent link">¶</a></h3>
|
||
<p>Logs follow this pattern:</p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-119-1"><a id="__codelineno-119-1" name="__codelineno-119-1" href="#__codelineno-119-1"></a>[timestamp] [level] [message]
|
||
</span><span id="__span-119-2"><a id="__codelineno-119-2" name="__codelineno-119-2" href="#__codelineno-119-2"></a>2026-02-13T10:30:00.000Z INFO Server started on port 4000
|
||
</span></code></pre></div>
|
||
<h3 id="common-log-patterns">Common Log Patterns<a class="headerlink" href="#common-log-patterns" title="Permanent link">¶</a></h3>
|
||
<p><strong>Successful startup:</strong></p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-120-1"><a id="__codelineno-120-1" name="__codelineno-120-1" href="#__codelineno-120-1"></a>INFO Connecting to database...
|
||
</span><span id="__span-120-2"><a id="__codelineno-120-2" name="__codelineno-120-2" href="#__codelineno-120-2"></a>INFO Database connected
|
||
</span><span id="__span-120-3"><a id="__codelineno-120-3" name="__codelineno-120-3" href="#__codelineno-120-3"></a>INFO Registered route: GET /api/health
|
||
</span><span id="__span-120-4"><a id="__codelineno-120-4" name="__codelineno-120-4" href="#__codelineno-120-4"></a>INFO Registered route: POST /api/auth/login
|
||
</span><span id="__span-120-5"><a id="__codelineno-120-5" name="__codelineno-120-5" href="#__codelineno-120-5"></a>INFO Server started on port 4000
|
||
</span></code></pre></div>
|
||
<p><strong>Database connection error:</strong></p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-121-1"><a id="__codelineno-121-1" name="__codelineno-121-1" href="#__codelineno-121-1"></a>INFO Connecting to database...
|
||
</span><span id="__span-121-2"><a id="__codelineno-121-2" name="__codelineno-121-2" href="#__codelineno-121-2"></a>ERROR Can't reach database server at `v2-postgres:5432`
|
||
</span><span id="__span-121-3"><a id="__codelineno-121-3" name="__codelineno-121-3" href="#__codelineno-121-3"></a>ERROR Retrying in 5 seconds...
|
||
</span></code></pre></div>
|
||
<p><strong>Missing environment variable:</strong></p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-122-1"><a id="__codelineno-122-1" name="__codelineno-122-1" href="#__codelineno-122-1"></a>ERROR Environment validation failed:
|
||
</span><span id="__span-122-2"><a id="__codelineno-122-2" name="__codelineno-122-2" href="#__codelineno-122-2"></a>ERROR SMTP_HOST is required
|
||
</span><span id="__span-122-3"><a id="__codelineno-122-3" name="__codelineno-122-3" href="#__codelineno-122-3"></a>ERROR JWT_ACCESS_SECRET is required
|
||
</span></code></pre></div>
|
||
<p><strong>Health check failure:</strong></p>
|
||
<div class="language-text highlight"><pre><span></span><code><span id="__span-123-1"><a id="__codelineno-123-1" name="__codelineno-123-1" href="#__codelineno-123-1"></a>WARN Health check failed: Database not connected
|
||
</span></code></pre></div>
|
||
<h3 id="filtering-logs">Filtering Logs<a class="headerlink" href="#filtering-logs" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-124-1"><a id="__codelineno-124-1" name="__codelineno-124-1" href="#__codelineno-124-1"></a><span class="c1"># Only errors</span>
|
||
</span><span id="__span-124-2"><a id="__codelineno-124-2" name="__codelineno-124-2" href="#__codelineno-124-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>ERROR
|
||
</span><span id="__span-124-3"><a id="__codelineno-124-3" name="__codelineno-124-3" href="#__codelineno-124-3"></a>
|
||
</span><span id="__span-124-4"><a id="__codelineno-124-4" name="__codelineno-124-4" href="#__codelineno-124-4"></a><span class="c1"># Only warnings and errors</span>
|
||
</span><span id="__span-124-5"><a id="__codelineno-124-5" name="__codelineno-124-5" href="#__codelineno-124-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-E<span class="w"> </span><span class="s2">"ERROR|WARN"</span>
|
||
</span><span id="__span-124-6"><a id="__codelineno-124-6" name="__codelineno-124-6" href="#__codelineno-124-6"></a>
|
||
</span><span id="__span-124-7"><a id="__codelineno-124-7" name="__codelineno-124-7" href="#__codelineno-124-7"></a><span class="c1"># Exclude health checks</span>
|
||
</span><span id="__span-124-8"><a id="__codelineno-124-8" name="__codelineno-124-8" href="#__codelineno-124-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-v<span class="w"> </span><span class="s2">"GET /api/health"</span>
|
||
</span><span id="__span-124-9"><a id="__codelineno-124-9" name="__codelineno-124-9" href="#__codelineno-124-9"></a>
|
||
</span><span id="__span-124-10"><a id="__codelineno-124-10" name="__codelineno-124-10" href="#__codelineno-124-10"></a><span class="c1"># Find specific request</span>
|
||
</span><span id="__span-124-11"><a id="__codelineno-124-11" name="__codelineno-124-11" href="#__codelineno-124-11"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span><span class="s2">"POST /api/users"</span>
|
||
</span><span id="__span-124-12"><a id="__codelineno-124-12" name="__codelineno-124-12" href="#__codelineno-124-12"></a>
|
||
</span><span id="__span-124-13"><a id="__codelineno-124-13" name="__codelineno-124-13" href="#__codelineno-124-13"></a><span class="c1"># Find by request ID</span>
|
||
</span><span id="__span-124-14"><a id="__codelineno-124-14" name="__codelineno-124-14" href="#__codelineno-124-14"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>api<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span><span class="s2">"req-abc123"</span>
|
||
</span></code></pre></div>
|
||
<hr />
|
||
<h2 id="cleanup-commands">Cleanup Commands<a class="headerlink" href="#cleanup-commands" title="Permanent link">¶</a></h2>
|
||
<h3 id="remove-stopped-containers">Remove Stopped Containers<a class="headerlink" href="#remove-stopped-containers" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-125-1"><a id="__codelineno-125-1" name="__codelineno-125-1" href="#__codelineno-125-1"></a><span class="c1"># Remove all stopped containers</span>
|
||
</span><span id="__span-125-2"><a id="__codelineno-125-2" name="__codelineno-125-2" href="#__codelineno-125-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down
|
||
</span><span id="__span-125-3"><a id="__codelineno-125-3" name="__codelineno-125-3" href="#__codelineno-125-3"></a>
|
||
</span><span id="__span-125-4"><a id="__codelineno-125-4" name="__codelineno-125-4" href="#__codelineno-125-4"></a><span class="c1"># Remove specific service containers</span>
|
||
</span><span id="__span-125-5"><a id="__codelineno-125-5" name="__codelineno-125-5" href="#__codelineno-125-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>rm<span class="w"> </span>api
|
||
</span><span id="__span-125-6"><a id="__codelineno-125-6" name="__codelineno-125-6" href="#__codelineno-125-6"></a>
|
||
</span><span id="__span-125-7"><a id="__codelineno-125-7" name="__codelineno-125-7" href="#__codelineno-125-7"></a><span class="c1"># Force remove running containers</span>
|
||
</span><span id="__span-125-8"><a id="__codelineno-125-8" name="__codelineno-125-8" href="#__codelineno-125-8"></a>docker<span class="w"> </span>compose<span class="w"> </span>rm<span class="w"> </span>-f<span class="w"> </span>api
|
||
</span></code></pre></div>
|
||
<h3 id="remove-images">Remove Images<a class="headerlink" href="#remove-images" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-126-1"><a id="__codelineno-126-1" name="__codelineno-126-1" href="#__codelineno-126-1"></a><span class="c1"># Remove all images for project</span>
|
||
</span><span id="__span-126-2"><a id="__codelineno-126-2" name="__codelineno-126-2" href="#__codelineno-126-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down<span class="w"> </span>--rmi<span class="w"> </span>all
|
||
</span><span id="__span-126-3"><a id="__codelineno-126-3" name="__codelineno-126-3" href="#__codelineno-126-3"></a>
|
||
</span><span id="__span-126-4"><a id="__codelineno-126-4" name="__codelineno-126-4" href="#__codelineno-126-4"></a><span class="c1"># Remove only project-built images (not postgres, redis, etc.)</span>
|
||
</span><span id="__span-126-5"><a id="__codelineno-126-5" name="__codelineno-126-5" href="#__codelineno-126-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>down<span class="w"> </span>--rmi<span class="w"> </span><span class="nb">local</span>
|
||
</span><span id="__span-126-6"><a id="__codelineno-126-6" name="__codelineno-126-6" href="#__codelineno-126-6"></a>
|
||
</span><span id="__span-126-7"><a id="__codelineno-126-7" name="__codelineno-126-7" href="#__codelineno-126-7"></a><span class="c1"># Remove specific image</span>
|
||
</span><span id="__span-126-8"><a id="__codelineno-126-8" name="__codelineno-126-8" href="#__codelineno-126-8"></a>docker<span class="w"> </span>rmi<span class="w"> </span>changemaker-lite-api
|
||
</span><span id="__span-126-9"><a id="__codelineno-126-9" name="__codelineno-126-9" href="#__codelineno-126-9"></a>
|
||
</span><span id="__span-126-10"><a id="__codelineno-126-10" name="__codelineno-126-10" href="#__codelineno-126-10"></a><span class="c1"># Remove dangling images</span>
|
||
</span><span id="__span-126-11"><a id="__codelineno-126-11" name="__codelineno-126-11" href="#__codelineno-126-11"></a>docker<span class="w"> </span>image<span class="w"> </span>prune
|
||
</span></code></pre></div>
|
||
<h3 id="remove-volumes">Remove Volumes<a class="headerlink" href="#remove-volumes" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-127-1"><a id="__codelineno-127-1" name="__codelineno-127-1" href="#__codelineno-127-1"></a><span class="c1"># ⚠️ WARNING: Deletes all data!</span>
|
||
</span><span id="__span-127-2"><a id="__codelineno-127-2" name="__codelineno-127-2" href="#__codelineno-127-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down<span class="w"> </span>-v
|
||
</span><span id="__span-127-3"><a id="__codelineno-127-3" name="__codelineno-127-3" href="#__codelineno-127-3"></a>
|
||
</span><span id="__span-127-4"><a id="__codelineno-127-4" name="__codelineno-127-4" href="#__codelineno-127-4"></a><span class="c1"># Remove specific volume</span>
|
||
</span><span id="__span-127-5"><a id="__codelineno-127-5" name="__codelineno-127-5" href="#__codelineno-127-5"></a>docker<span class="w"> </span>volume<span class="w"> </span>rm<span class="w"> </span>changemaker-lite_postgres-data
|
||
</span><span id="__span-127-6"><a id="__codelineno-127-6" name="__codelineno-127-6" href="#__codelineno-127-6"></a>
|
||
</span><span id="__span-127-7"><a id="__codelineno-127-7" name="__codelineno-127-7" href="#__codelineno-127-7"></a><span class="c1"># Remove unused volumes</span>
|
||
</span><span id="__span-127-8"><a id="__codelineno-127-8" name="__codelineno-127-8" href="#__codelineno-127-8"></a>docker<span class="w"> </span>volume<span class="w"> </span>prune
|
||
</span></code></pre></div>
|
||
<h3 id="remove-networks">Remove Networks<a class="headerlink" href="#remove-networks" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-128-1"><a id="__codelineno-128-1" name="__codelineno-128-1" href="#__codelineno-128-1"></a><span class="c1"># Remove project network (containers must be stopped first)</span>
|
||
</span><span id="__span-128-2"><a id="__codelineno-128-2" name="__codelineno-128-2" href="#__codelineno-128-2"></a>docker<span class="w"> </span>network<span class="w"> </span>rm<span class="w"> </span>changemaker-lite
|
||
</span><span id="__span-128-3"><a id="__codelineno-128-3" name="__codelineno-128-3" href="#__codelineno-128-3"></a>
|
||
</span><span id="__span-128-4"><a id="__codelineno-128-4" name="__codelineno-128-4" href="#__codelineno-128-4"></a><span class="c1"># Remove unused networks</span>
|
||
</span><span id="__span-128-5"><a id="__codelineno-128-5" name="__codelineno-128-5" href="#__codelineno-128-5"></a>docker<span class="w"> </span>network<span class="w"> </span>prune
|
||
</span></code></pre></div>
|
||
<h3 id="full-cleanup">Full Cleanup<a class="headerlink" href="#full-cleanup" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-129-1"><a id="__codelineno-129-1" name="__codelineno-129-1" href="#__codelineno-129-1"></a><span class="c1"># ⚠️ DANGER: Removes everything!</span>
|
||
</span><span id="__span-129-2"><a id="__codelineno-129-2" name="__codelineno-129-2" href="#__codelineno-129-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down<span class="w"> </span>-v<span class="w"> </span>--rmi<span class="w"> </span>all
|
||
</span><span id="__span-129-3"><a id="__codelineno-129-3" name="__codelineno-129-3" href="#__codelineno-129-3"></a>docker<span class="w"> </span>system<span class="w"> </span>prune<span class="w"> </span>-a<span class="w"> </span>--volumes
|
||
</span><span id="__span-129-4"><a id="__codelineno-129-4" name="__codelineno-129-4" href="#__codelineno-129-4"></a>
|
||
</span><span id="__span-129-5"><a id="__codelineno-129-5" name="__codelineno-129-5" href="#__codelineno-129-5"></a><span class="c1"># This deletes:</span>
|
||
</span><span id="__span-129-6"><a id="__codelineno-129-6" name="__codelineno-129-6" href="#__codelineno-129-6"></a><span class="c1"># - All containers</span>
|
||
</span><span id="__span-129-7"><a id="__codelineno-129-7" name="__codelineno-129-7" href="#__codelineno-129-7"></a><span class="c1"># - All volumes (data lost!)</span>
|
||
</span><span id="__span-129-8"><a id="__codelineno-129-8" name="__codelineno-129-8" href="#__codelineno-129-8"></a><span class="c1"># - All images</span>
|
||
</span><span id="__span-129-9"><a id="__codelineno-129-9" name="__codelineno-129-9" href="#__codelineno-129-9"></a><span class="c1"># - All networks</span>
|
||
</span><span id="__span-129-10"><a id="__codelineno-129-10" name="__codelineno-129-10" href="#__codelineno-129-10"></a><span class="c1"># - All build cache</span>
|
||
</span></code></pre></div>
|
||
<h3 id="safe-cleanup">Safe Cleanup<a class="headerlink" href="#safe-cleanup" title="Permanent link">¶</a></h3>
|
||
<div class="language-bash highlight"><pre><span></span><code><span id="__span-130-1"><a id="__codelineno-130-1" name="__codelineno-130-1" href="#__codelineno-130-1"></a><span class="c1"># Safe cleanup (keeps volumes)</span>
|
||
</span><span id="__span-130-2"><a id="__codelineno-130-2" name="__codelineno-130-2" href="#__codelineno-130-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>down
|
||
</span><span id="__span-130-3"><a id="__codelineno-130-3" name="__codelineno-130-3" href="#__codelineno-130-3"></a>docker<span class="w"> </span>image<span class="w"> </span>prune<span class="w"> </span>-a
|
||
</span><span id="__span-130-4"><a id="__codelineno-130-4" name="__codelineno-130-4" href="#__codelineno-130-4"></a>docker<span class="w"> </span>network<span class="w"> </span>prune
|
||
</span><span id="__span-130-5"><a id="__codelineno-130-5" name="__codelineno-130-5" href="#__codelineno-130-5"></a>
|
||
</span><span id="__span-130-6"><a id="__codelineno-130-6" name="__codelineno-130-6" href="#__codelineno-130-6"></a><span class="c1"># This keeps:</span>
|
||
</span><span id="__span-130-7"><a id="__codelineno-130-7" name="__codelineno-130-7" href="#__codelineno-130-7"></a><span class="c1"># - Volumes (data safe)</span>
|
||
</span><span id="__span-130-8"><a id="__codelineno-130-8" name="__codelineno-130-8" href="#__codelineno-130-8"></a><span class="c1"># - .env file</span>
|
||
</span><span id="__span-130-9"><a id="__codelineno-130-9" name="__codelineno-130-9" href="#__codelineno-130-9"></a><span class="c1"># - Application code</span>
|
||
</span></code></pre></div>
|
||
<hr />
|
||
<h2 id="related-documentation">Related Documentation<a class="headerlink" href="#related-documentation" title="Permanent link">¶</a></h2>
|
||
<h3 id="docker-documentation">Docker Documentation<a class="headerlink" href="#docker-documentation" title="Permanent link">¶</a></h3>
|
||
<ul>
|
||
<li><a href="./">Docker Issues</a> - This guide</li>
|
||
<li><a href="../user/installation.md">Installation Guide</a> - Initial setup</li>
|
||
<li><a href="../technical/architecture.md">Architecture Overview</a> - System design</li>
|
||
</ul>
|
||
<h3 id="other-troubleshooting">Other Troubleshooting<a class="headerlink" href="#other-troubleshooting" title="Permanent link">¶</a></h3>
|
||
<ul>
|
||
<li><a href="../common-errors/">Common Errors</a> - General errors</li>
|
||
<li><a href="../database-issues/">Database Issues</a> - PostgreSQL problems</li>
|
||
<li><a href="../monitoring-issues/">Monitoring Issues</a> - Observability problems</li>
|
||
</ul>
|
||
<h3 id="docker-resources">Docker Resources<a class="headerlink" href="#docker-resources" title="Permanent link">¶</a></h3>
|
||
<ul>
|
||
<li><a href="https://docs.docker.com/compose/">Docker Compose Reference</a></li>
|
||
<li><a href="https://docs.docker.com/develop/develop-images/dockerfile_best-practices/">Dockerfile Best Practices</a></li>
|
||
<li><a href="https://docs.docker.com/network/">Docker Networking</a></li>
|
||
</ul>
|
||
<hr />
|
||
<p><strong>Last Updated:</strong> February 2026
|
||
<strong>Version:</strong> V2.0
|
||
<strong>Status:</strong> Complete</p>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</article>
|
||
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|
||
|
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