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<article class="md-content__inner md-typeset">
<a href="https://gitea.bnkops.com/admin/changemaker.lite/src/branch/main/mkdocs/docs/v2/deployment/tunneling.md" title="Edit this page" class="md-content__button md-icon" rel="edit">
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<h1 id="pangolin-tunnel-deployment">Pangolin Tunnel Deployment<a class="headerlink" href="#pangolin-tunnel-deployment" title="Permanent link">&para;</a></h1>
<h2 id="overview">Overview<a class="headerlink" href="#overview" title="Permanent link">&para;</a></h2>
<p>Pangolin is a self-hosted tunnel service (alternative to Cloudflare Tunnel) that provides public HTTPS access to your Changemaker Lite instance without port forwarding or firewall configuration.</p>
<p><strong>Benefits:</strong>
- No port forwarding needed
- SSL/TLS handled by tunnel provider
- Static public URLs
- Self-hosted tunnel server (privacy/control)
- Free/open source</p>
<p><strong>Architecture:</strong>
<div class="language-text highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>Internet → Pangolin Tunnel (pangolin.bnkserve.org) → Newt Container → Nginx → Services
</span></code></pre></div></p>
<p><strong>Changemaker Integration:</strong>
- Pangolin server: https://api.bnkserve.org/v1
- Tunnel endpoint: https://pangolin.bnkserve.org
- Newt container: Tunnel connector (fosrl/newt image)
- Admin GUI: PangolinPage.tsx setup wizard</p>
<hr />
<h2 id="setup-workflow">Setup Workflow<a class="headerlink" href="#setup-workflow" title="Permanent link">&para;</a></h2>
<h3 id="1-prerequisites">1. Prerequisites<a class="headerlink" href="#1-prerequisites" title="Permanent link">&para;</a></h3>
<p><strong>Required:</strong>
- Pangolin API key (obtain from Pangolin admin)
- Docker Compose running
- Nginx container accessible from Newt</p>
<p><strong>Environment Variables:</strong>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="nv">PANGOLIN_API_URL</span><span class="o">=</span>https://api.bnkserve.org/v1
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="nv">PANGOLIN_API_KEY</span><span class="o">=</span>&lt;your-api-key&gt;
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="nv">PANGOLIN_ORG_ID</span><span class="o">=</span>&lt;set-after-org-creation&gt;
</span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="nv">PANGOLIN_SITE_ID</span><span class="o">=</span>&lt;set-after-site-creation&gt;
</span><span id="__span-1-5"><a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="nv">PANGOLIN_ENDPOINT</span><span class="o">=</span>https://pangolin.bnkserve.org
</span><span id="__span-1-6"><a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a><span class="nv">PANGOLIN_NEWT_ID</span><span class="o">=</span>&lt;set-after-resource-creation&gt;
</span><span id="__span-1-7"><a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a><span class="nv">PANGOLIN_NEWT_SECRET</span><span class="o">=</span>&lt;set-after-resource-creation&gt;
</span></code></pre></div></p>
<hr />
<h3 id="2-setup-via-admin-gui">2. Setup via Admin GUI<a class="headerlink" href="#2-setup-via-admin-gui" title="Permanent link">&para;</a></h3>
<p><strong>Easiest method:</strong> Use <code>/app/pangolin</code> page in admin GUI.</p>
<p><strong>Steps:</strong>
1. Navigate to http://localhost:3000/app/pangolin
2. Enter <code>PANGOLIN_API_KEY</code> (click "Test Connection")
3. Create Organization (or select existing)
4. Create Site (linked to org)
5. Create Endpoint (tunnel URL)
6. Create Resource (Newt connector credentials)
7. Copy <code>NEWT_ID</code> and <code>NEWT_SECRET</code> to <code>.env</code>
8. Restart Newt container: <code>docker compose restart newt</code></p>
<hr />
<h3 id="3-manual-setup-cli">3. Manual Setup (CLI)<a class="headerlink" href="#3-manual-setup-cli" title="Permanent link">&para;</a></h3>
<p><strong>Organization:</strong>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-2-1"><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a>curl<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>https://api.bnkserve.org/v1/orgs<span class="w"> </span><span class="se">\</span>
</span><span id="__span-2-2"><a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Authorization: Bearer </span><span class="nv">$PANGOLIN_API_KEY</span><span class="s2">&quot;</span><span class="w"> </span><span class="se">\</span>
</span><span id="__span-2-3"><a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Content-Type: application/json&quot;</span><span class="w"> </span><span class="se">\</span>
</span><span id="__span-2-4"><a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="w"> </span>-d<span class="w"> </span><span class="s1">&#39;{</span>
</span><span id="__span-2-5"><a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="s1"> &quot;name&quot;: &quot;My Organization&quot;,</span>
</span><span id="__span-2-6"><a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a><span class="s1"> &quot;description&quot;: &quot;Changemaker Lite Production&quot;</span>
</span><span id="__span-2-7"><a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a><span class="s1"> }&#39;</span>
</span><span id="__span-2-8"><a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a>
</span><span id="__span-2-9"><a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a><span class="c1"># Returns:</span>
</span><span id="__span-2-10"><a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a><span class="c1"># {&quot;id&quot;:&quot;org_abc123&quot;,&quot;name&quot;:&quot;My Organization&quot;,...}</span>
</span><span id="__span-2-11"><a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a>
</span><span id="__span-2-12"><a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a><span class="nb">export</span><span class="w"> </span><span class="nv">PANGOLIN_ORG_ID</span><span class="o">=</span>org_abc123
</span></code></pre></div></p>
<p><strong>Site:</strong>
<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>curl<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>https://api.bnkserve.org/v1/sites<span class="w"> </span><span class="se">\</span>
</span><span id="__span-3-2"><a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Authorization: Bearer </span><span class="nv">$PANGOLIN_API_KEY</span><span class="s2">&quot;</span><span class="w"> </span><span class="se">\</span>
</span><span id="__span-3-3"><a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Content-Type: application/json&quot;</span><span class="w"> </span><span class="se">\</span>
</span><span id="__span-3-4"><a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a><span class="w"> </span>-d<span class="w"> </span><span class="s1">&#39;{</span>
</span><span id="__span-3-5"><a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a><span class="s1"> &quot;org_id&quot;: &quot;&#39;</span><span class="s2">&quot;</span><span class="nv">$PANGOLIN_ORG_ID</span><span class="s2">&quot;</span><span class="s1">&#39;&quot;,</span>
</span><span id="__span-3-6"><a id="__codelineno-3-6" name="__codelineno-3-6" href="#__codelineno-3-6"></a><span class="s1"> &quot;name&quot;: &quot;Production Site&quot;,</span>
</span><span id="__span-3-7"><a id="__codelineno-3-7" name="__codelineno-3-7" href="#__codelineno-3-7"></a><span class="s1"> &quot;description&quot;: &quot;Main deployment&quot;</span>
</span><span id="__span-3-8"><a id="__codelineno-3-8" name="__codelineno-3-8" href="#__codelineno-3-8"></a><span class="s1"> }&#39;</span>
</span><span id="__span-3-9"><a id="__codelineno-3-9" name="__codelineno-3-9" href="#__codelineno-3-9"></a>
</span><span id="__span-3-10"><a id="__codelineno-3-10" name="__codelineno-3-10" href="#__codelineno-3-10"></a><span class="c1"># Returns:</span>
</span><span id="__span-3-11"><a id="__codelineno-3-11" name="__codelineno-3-11" href="#__codelineno-3-11"></a><span class="c1"># {&quot;id&quot;:&quot;site_xyz789&quot;,&quot;name&quot;:&quot;Production Site&quot;,...}</span>
</span><span id="__span-3-12"><a id="__codelineno-3-12" name="__codelineno-3-12" href="#__codelineno-3-12"></a>
</span><span id="__span-3-13"><a id="__codelineno-3-13" name="__codelineno-3-13" href="#__codelineno-3-13"></a><span class="nb">export</span><span class="w"> </span><span class="nv">PANGOLIN_SITE_ID</span><span class="o">=</span>site_xyz789
</span></code></pre></div></p>
<p><strong>Endpoint:</strong>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-4-1"><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>curl<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>https://api.bnkserve.org/v1/endpoints<span class="w"> </span><span class="se">\</span>
</span><span id="__span-4-2"><a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Authorization: Bearer </span><span class="nv">$PANGOLIN_API_KEY</span><span class="s2">&quot;</span><span class="w"> </span><span class="se">\</span>
</span><span id="__span-4-3"><a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Content-Type: application/json&quot;</span><span class="w"> </span><span class="se">\</span>
</span><span id="__span-4-4"><a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a><span class="w"> </span>-d<span class="w"> </span><span class="s1">&#39;{</span>
</span><span id="__span-4-5"><a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a><span class="s1"> &quot;site_id&quot;: &quot;&#39;</span><span class="s2">&quot;</span><span class="nv">$PANGOLIN_SITE_ID</span><span class="s2">&quot;</span><span class="s1">&#39;&quot;,</span>
</span><span id="__span-4-6"><a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a><span class="s1"> &quot;subdomain&quot;: &quot;changemaker&quot;,</span>
</span><span id="__span-4-7"><a id="__codelineno-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a><span class="s1"> &quot;domain&quot;: &quot;pangolin.bnkserve.org&quot;</span>
</span><span id="__span-4-8"><a id="__codelineno-4-8" name="__codelineno-4-8" href="#__codelineno-4-8"></a><span class="s1"> }&#39;</span>
</span><span id="__span-4-9"><a id="__codelineno-4-9" name="__codelineno-4-9" href="#__codelineno-4-9"></a>
</span><span id="__span-4-10"><a id="__codelineno-4-10" name="__codelineno-4-10" href="#__codelineno-4-10"></a><span class="c1"># Returns:</span>
</span><span id="__span-4-11"><a id="__codelineno-4-11" name="__codelineno-4-11" href="#__codelineno-4-11"></a><span class="c1"># {&quot;id&quot;:&quot;endpoint_def456&quot;,&quot;url&quot;:&quot;https://changemaker.pangolin.bnkserve.org&quot;,...}</span>
</span><span id="__span-4-12"><a id="__codelineno-4-12" name="__codelineno-4-12" href="#__codelineno-4-12"></a>
</span><span id="__span-4-13"><a id="__codelineno-4-13" name="__codelineno-4-13" href="#__codelineno-4-13"></a><span class="nb">export</span><span class="w"> </span><span class="nv">PANGOLIN_ENDPOINT</span><span class="o">=</span>https://changemaker.pangolin.bnkserve.org
</span></code></pre></div></p>
<p><strong>Resource (Newt Connector):</strong>
<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>curl<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>https://api.bnkserve.org/v1/resources<span class="w"> </span><span class="se">\</span>
</span><span id="__span-5-2"><a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Authorization: Bearer </span><span class="nv">$PANGOLIN_API_KEY</span><span class="s2">&quot;</span><span class="w"> </span><span class="se">\</span>
</span><span id="__span-5-3"><a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Content-Type: application/json&quot;</span><span class="w"> </span><span class="se">\</span>
</span><span id="__span-5-4"><a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="w"> </span>-d<span class="w"> </span><span class="s1">&#39;{</span>
</span><span id="__span-5-5"><a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a><span class="s1"> &quot;endpoint_id&quot;: &quot;&lt;endpoint-id&gt;&quot;,</span>
</span><span id="__span-5-6"><a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a><span class="s1"> &quot;target&quot;: &quot;http://nginx:80&quot;,</span>
</span><span id="__span-5-7"><a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a><span class="s1"> &quot;name&quot;: &quot;Changemaker Services&quot;</span>
</span><span id="__span-5-8"><a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a><span class="s1"> }&#39;</span>
</span><span id="__span-5-9"><a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a>
</span><span id="__span-5-10"><a id="__codelineno-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></a><span class="c1"># Returns:</span>
</span><span id="__span-5-11"><a id="__codelineno-5-11" name="__codelineno-5-11" href="#__codelineno-5-11"></a><span class="c1"># {&quot;id&quot;:&quot;newt_abc123&quot;,&quot;secret&quot;:&quot;secret_xyz789&quot;,...}</span>
</span><span id="__span-5-12"><a id="__codelineno-5-12" name="__codelineno-5-12" href="#__codelineno-5-12"></a>
</span><span id="__span-5-13"><a id="__codelineno-5-13" name="__codelineno-5-13" href="#__codelineno-5-13"></a><span class="nb">export</span><span class="w"> </span><span class="nv">PANGOLIN_NEWT_ID</span><span class="o">=</span>newt_abc123
</span><span id="__span-5-14"><a id="__codelineno-5-14" name="__codelineno-5-14" href="#__codelineno-5-14"></a><span class="nb">export</span><span class="w"> </span><span class="nv">PANGOLIN_NEWT_SECRET</span><span class="o">=</span>secret_xyz789
</span></code></pre></div></p>
<p><strong>Update .env:</strong>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-6-1"><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a>cat<span class="w"> </span>&gt;&gt;<span class="w"> </span>.env<span class="w"> </span><span class="s">&lt;&lt;EOF</span>
</span><span id="__span-6-2"><a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="s">PANGOLIN_ORG_ID=$PANGOLIN_ORG_ID</span>
</span><span id="__span-6-3"><a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a><span class="s">PANGOLIN_SITE_ID=$PANGOLIN_SITE_ID</span>
</span><span id="__span-6-4"><a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="s">PANGOLIN_ENDPOINT=$PANGOLIN_ENDPOINT</span>
</span><span id="__span-6-5"><a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></a><span class="s">PANGOLIN_NEWT_ID=$PANGOLIN_NEWT_ID</span>
</span><span id="__span-6-6"><a id="__codelineno-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></a><span class="s">PANGOLIN_NEWT_SECRET=$PANGOLIN_NEWT_SECRET</span>
</span><span id="__span-6-7"><a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></a><span class="s">EOF</span>
</span></code></pre></div></p>
<hr />
<h3 id="4-start-newt-container">4. Start Newt Container<a class="headerlink" href="#4-start-newt-container" title="Permanent link">&para;</a></h3>
<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 to pick up new env vars</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>--force-recreate<span class="w"> </span>newt
</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"># Check logs</span>
</span><span id="__span-7-5"><a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>-f<span class="w"> </span>newt
</span><span id="__span-7-6"><a id="__codelineno-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></a>
</span><span id="__span-7-7"><a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></a><span class="c1"># Should see:</span>
</span><span id="__span-7-8"><a id="__codelineno-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></a><span class="c1"># [INFO] Connected to Pangolin tunnel</span>
</span><span id="__span-7-9"><a id="__codelineno-7-9" name="__codelineno-7-9" href="#__codelineno-7-9"></a><span class="c1"># [INFO] Tunnel active: https://changemaker.pangolin.bnkserve.org</span>
</span></code></pre></div>
<hr />
<h3 id="5-dns-configuration">5. DNS Configuration<a class="headerlink" href="#5-dns-configuration" title="Permanent link">&para;</a></h3>
<p><strong>Option A: Direct Access</strong> (use tunnel URL):
- https://changemaker.pangolin.bnkserve.org</p>
<p><strong>Option B: Custom Domain</strong> (CNAME to tunnel):
<div class="language-text highlight"><pre><span></span><code><span id="__span-8-1"><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a>app.cmlite.org. CNAME changemaker.pangolin.bnkserve.org.
</span><span id="__span-8-2"><a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>api.cmlite.org. CNAME changemaker.pangolin.bnkserve.org.
</span></code></pre></div></p>
<hr />
<h2 id="newt-container-configuration">Newt Container Configuration<a class="headerlink" href="#newt-container-configuration" title="Permanent link">&para;</a></h2>
<p><strong>docker-compose.yml:</strong>
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-9-1"><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="nt">newt</span><span class="p">:</span>
</span><span id="__span-9-2"><a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></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">fosrl/newt</span>
</span><span id="__span-9-3"><a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a><span class="w"> </span><span class="nt">container_name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">newt-changemaker</span>
</span><span id="__span-9-4"><a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a><span class="w"> </span><span class="nt">restart</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">unless-stopped</span>
</span><span id="__span-9-5"><a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a><span class="w"> </span><span class="nt">environment</span><span class="p">:</span>
</span><span id="__span-9-6"><a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">PANGOLIN_ENDPOINT=${PANGOLIN_ENDPOINT}</span>
</span><span id="__span-9-7"><a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">NEWT_ID=${PANGOLIN_NEWT_ID}</span>
</span><span id="__span-9-8"><a id="__codelineno-9-8" name="__codelineno-9-8" href="#__codelineno-9-8"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">NEWT_SECRET=${PANGOLIN_NEWT_SECRET}</span>
</span><span id="__span-9-9"><a id="__codelineno-9-9" name="__codelineno-9-9" href="#__codelineno-9-9"></a><span class="w"> </span><span class="nt">depends_on</span><span class="p">:</span>
</span><span id="__span-9-10"><a id="__codelineno-9-10" name="__codelineno-9-10" href="#__codelineno-9-10"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">nginx</span>
</span><span id="__span-9-11"><a id="__codelineno-9-11" name="__codelineno-9-11" href="#__codelineno-9-11"></a><span class="w"> </span><span class="nt">networks</span><span class="p">:</span>
</span><span id="__span-9-12"><a id="__codelineno-9-12" name="__codelineno-9-12" href="#__codelineno-9-12"></a><span class="w"> </span><span class="p p-Indicator">-</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">changemaker-lite</span>
</span></code></pre></div></p>
<p><strong>Key Features:</strong>
- <strong>Restart policy</strong>: <code>unless-stopped</code> (auto-reconnects)
- <strong>Nginx dependency</strong>: Ensures Nginx running before Newt starts
- <strong>No ports exposed</strong>: All traffic via tunnel</p>
<p><strong>Target</strong>: Newt connects to <code>http://nginx:80</code> (Docker internal network).</p>
<hr />
<h2 id="tunnel-lifecycle">Tunnel Lifecycle<a class="headerlink" href="#tunnel-lifecycle" title="Permanent link">&para;</a></h2>
<h3 id="start-tunnel">Start Tunnel<a class="headerlink" href="#start-tunnel" title="Permanent link">&para;</a></h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-10-1"><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>newt
</span></code></pre></div>
<h3 id="stop-tunnel">Stop Tunnel<a class="headerlink" href="#stop-tunnel" title="Permanent link">&para;</a></h3>
<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>docker<span class="w"> </span>compose<span class="w"> </span>stop<span class="w"> </span>newt
</span></code></pre></div>
<h3 id="check-status">Check Status<a class="headerlink" href="#check-status" title="Permanent link">&para;</a></h3>
<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"># Container status</span>
</span><span id="__span-12-2"><a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>ps<span class="w"> </span>newt
</span><span id="__span-12-3"><a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a>
</span><span id="__span-12-4"><a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a><span class="c1"># Logs</span>
</span><span id="__span-12-5"><a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>--tail<span class="o">=</span><span class="m">50</span><span class="w"> </span>newt
</span><span id="__span-12-6"><a id="__codelineno-12-6" name="__codelineno-12-6" href="#__codelineno-12-6"></a>
</span><span id="__span-12-7"><a id="__codelineno-12-7" name="__codelineno-12-7" href="#__codelineno-12-7"></a><span class="c1"># Test tunnel</span>
</span><span id="__span-12-8"><a id="__codelineno-12-8" name="__codelineno-12-8" href="#__codelineno-12-8"></a>curl<span class="w"> </span>https://changemaker.pangolin.bnkserve.org/api/health
</span></code></pre></div>
<h3 id="restart-after-env-changes">Restart (after .env changes)<a class="headerlink" href="#restart-after-env-changes" title="Permanent link">&para;</a></h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-13-1"><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a>docker<span class="w"> </span>compose<span class="w"> </span>up<span class="w"> </span>-d<span class="w"> </span>--force-recreate<span class="w"> </span>newt
</span></code></pre></div>
<hr />
<h2 id="exit-nodes-resource-routing">Exit Nodes &amp; Resource Routing<a class="headerlink" href="#exit-nodes-resource-routing" title="Permanent link">&para;</a></h2>
<p><strong>Resource</strong>: Defines how tunnel routes traffic to your services.</p>
<p><strong>Target URL</strong>: <code>http://nginx:80</code> (Nginx handles subdomain routing internally).</p>
<p><strong>Example Flow:</strong>
1. User visits <code>https://changemaker.pangolin.bnkserve.org/api/health</code>
2. Pangolin tunnel receives HTTPS request
3. Tunnel forwards to Newt container
4. Newt proxies to <code>http://nginx:80/api/health</code>
5. Nginx routes to <code>changemaker-v2-api:4000/api/health</code>
6. Response flows back through tunnel</p>
<p><strong>Multiple Resources:</strong> Create separate resources for different backends (advanced).</p>
<hr />
<h2 id="troubleshooting">Troubleshooting<a class="headerlink" href="#troubleshooting" title="Permanent link">&para;</a></h2>
<h3 id="tunnel-not-connecting">Tunnel Not Connecting<a class="headerlink" href="#tunnel-not-connecting" title="Permanent link">&para;</a></h3>
<p><strong>Symptoms:</strong> Newt logs show connection errors</p>
<p><strong>Diagnosis:</strong>
<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>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>newt
</span><span id="__span-14-2"><a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a>
</span><span id="__span-14-3"><a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a><span class="c1"># Common errors:</span>
</span><span id="__span-14-4"><a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a><span class="c1"># - &quot;Authentication failed&quot; (wrong NEWT_ID/SECRET)</span>
</span><span id="__span-14-5"><a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a><span class="c1"># - &quot;Endpoint not found&quot; (wrong PANGOLIN_ENDPOINT)</span>
</span><span id="__span-14-6"><a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a><span class="c1"># - &quot;Connection refused&quot; (Nginx not running)</span>
</span></code></pre></div></p>
<p><strong>Solutions:</strong>
<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"># Verify credentials</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>newt<span class="w"> </span>printenv<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>PANGOLIN
</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"># Test Nginx from Newt container</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>newt<span class="w"> </span>wget<span class="w"> </span>-O-<span class="w"> </span>http://nginx:80/api/health
</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"># Restart Newt</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>restart<span class="w"> </span>newt
</span></code></pre></div></p>
<hr />
<h3 id="tunnel-connected-but-site-unreachable">Tunnel Connected But Site Unreachable<a class="headerlink" href="#tunnel-connected-but-site-unreachable" title="Permanent link">&para;</a></h3>
<p><strong>Symptoms:</strong> Newt connected, but HTTPS requests timeout/fail</p>
<p><strong>Diagnosis:</strong>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-16-1"><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a><span class="c1"># Test tunnel endpoint</span>
</span><span id="__span-16-2"><a id="__codelineno-16-2" name="__codelineno-16-2" href="#__codelineno-16-2"></a>curl<span class="w"> </span>-I<span class="w"> </span>https://changemaker.pangolin.bnkserve.org
</span><span id="__span-16-3"><a id="__codelineno-16-3" name="__codelineno-16-3" href="#__codelineno-16-3"></a>
</span><span id="__span-16-4"><a id="__codelineno-16-4" name="__codelineno-16-4" href="#__codelineno-16-4"></a><span class="c1"># Check Nginx logs</span>
</span><span id="__span-16-5"><a id="__codelineno-16-5" name="__codelineno-16-5" href="#__codelineno-16-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>nginx<span class="w"> </span><span class="p">|</span><span class="w"> </span>tail<span class="w"> </span>-50
</span><span id="__span-16-6"><a id="__codelineno-16-6" name="__codelineno-16-6" href="#__codelineno-16-6"></a>
</span><span id="__span-16-7"><a id="__codelineno-16-7" name="__codelineno-16-7" href="#__codelineno-16-7"></a><span class="c1"># Verify resource target</span>
</span><span id="__span-16-8"><a id="__codelineno-16-8" name="__codelineno-16-8" href="#__codelineno-16-8"></a>curl<span class="w"> </span>-X<span class="w"> </span>GET<span class="w"> </span>https://api.bnkserve.org/v1/resources/&lt;resource-id&gt;<span class="w"> </span><span class="se">\</span>
</span><span id="__span-16-9"><a id="__codelineno-16-9" name="__codelineno-16-9" href="#__codelineno-16-9"></a><span class="w"> </span>-H<span class="w"> </span><span class="s2">&quot;Authorization: Bearer </span><span class="nv">$PANGOLIN_API_KEY</span><span class="s2">&quot;</span>
</span></code></pre></div></p>
<p><strong>Common Causes:</strong>
- Resource target points to wrong service
- Nginx not listening on port 80
- Firewall blocking Nginx → backend communication</p>
<p><strong>Solution:</strong>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-17-1"><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a><span class="c1"># Verify Nginx config</span>
</span><span id="__span-17-2"><a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>nginx<span class="w"> </span>nginx<span class="w"> </span>-t
</span><span id="__span-17-3"><a id="__codelineno-17-3" name="__codelineno-17-3" href="#__codelineno-17-3"></a>
</span><span id="__span-17-4"><a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></a><span class="c1"># Check Nginx listening</span>
</span><span id="__span-17-5"><a id="__codelineno-17-5" name="__codelineno-17-5" href="#__codelineno-17-5"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>nginx<span class="w"> </span>netstat<span class="w"> </span>-tulpn<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>:80
</span><span id="__span-17-6"><a id="__codelineno-17-6" name="__codelineno-17-6" href="#__codelineno-17-6"></a>
</span><span id="__span-17-7"><a id="__codelineno-17-7" name="__codelineno-17-7" href="#__codelineno-17-7"></a><span class="c1"># Test backend from Nginx</span>
</span><span id="__span-17-8"><a id="__codelineno-17-8" name="__codelineno-17-8" href="#__codelineno-17-8"></a>docker<span class="w"> </span>compose<span class="w"> </span><span class="nb">exec</span><span class="w"> </span>nginx<span class="w"> </span>curl<span class="w"> </span>http://changemaker-v2-api:4000/api/health
</span></code></pre></div></p>
<hr />
<h3 id="ssl-certificate-errors">SSL Certificate Errors<a class="headerlink" href="#ssl-certificate-errors" title="Permanent link">&para;</a></h3>
<p><strong>Symptoms:</strong> Browser shows "Certificate invalid" warning</p>
<p><strong>Cause:</strong> Tunnel endpoint SSL certificate not trusted (rare).</p>
<p><strong>Solution:</strong> Contact Pangolin support — tunnel provider manages SSL certificates.</p>
<hr />
<h3 id="frequent-disconnects">Frequent Disconnects<a class="headerlink" href="#frequent-disconnects" title="Permanent link">&para;</a></h3>
<p><strong>Symptoms:</strong> Newt reconnects every few minutes</p>
<p><strong>Diagnosis:</strong>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-18-1"><a id="__codelineno-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a><span class="c1"># Check for network issues</span>
</span><span id="__span-18-2"><a id="__codelineno-18-2" name="__codelineno-18-2" href="#__codelineno-18-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>newt<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-i<span class="w"> </span>disconnect
</span><span id="__span-18-3"><a id="__codelineno-18-3" name="__codelineno-18-3" href="#__codelineno-18-3"></a>
</span><span id="__span-18-4"><a id="__codelineno-18-4" name="__codelineno-18-4" href="#__codelineno-18-4"></a><span class="c1"># Monitor connection</span>
</span><span id="__span-18-5"><a id="__codelineno-18-5" name="__codelineno-18-5" href="#__codelineno-18-5"></a>watch<span class="w"> </span>-n5<span class="w"> </span><span class="s1">&#39;docker compose logs --tail=1 newt&#39;</span>
</span></code></pre></div></p>
<p><strong>Possible Causes:</strong>
- Network instability
- Container restarts (check <code>docker compose ps</code>)
- Resource limits (check <code>docker stats newt-changemaker</code>)</p>
<p><strong>Solution:</strong>
<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"># Increase restart backoff (if needed)</span>
</span><span id="__span-19-2"><a id="__codelineno-19-2" name="__codelineno-19-2" href="#__codelineno-19-2"></a><span class="c1"># Edit docker-compose.yml:</span>
</span><span id="__span-19-3"><a id="__codelineno-19-3" name="__codelineno-19-3" href="#__codelineno-19-3"></a>newt:
</span><span id="__span-19-4"><a id="__codelineno-19-4" name="__codelineno-19-4" href="#__codelineno-19-4"></a><span class="w"> </span>restart_policy:
</span><span id="__span-19-5"><a id="__codelineno-19-5" name="__codelineno-19-5" href="#__codelineno-19-5"></a><span class="w"> </span>condition:<span class="w"> </span>on-failure
</span><span id="__span-19-6"><a id="__codelineno-19-6" name="__codelineno-19-6" href="#__codelineno-19-6"></a><span class="w"> </span>delay:<span class="w"> </span>5s
</span><span id="__span-19-7"><a id="__codelineno-19-7" name="__codelineno-19-7" href="#__codelineno-19-7"></a><span class="w"> </span>max_attempts:<span class="w"> </span><span class="m">3</span>
</span></code></pre></div></p>
<hr />
<h2 id="migration-from-cloudflare-tunnel">Migration from Cloudflare Tunnel<a class="headerlink" href="#migration-from-cloudflare-tunnel" title="Permanent link">&para;</a></h2>
<p><strong>Retired Scripts</strong> (in <code>scripts/legacy/</code>):
- <code>start-production.sh</code>
- <code>config.sh</code>
- <code>tunnel-config.sh</code></p>
<p><strong>Migration Steps:</strong>
1. Stop Cloudflare tunnel: <code>cloudflared service uninstall</code>
2. Remove Cloudflare credentials: <code>rm ~/.cloudflared/*.json</code>
3. Setup Pangolin tunnel (see above)
4. Update DNS: Change CNAME from <code>cloudflared.com</code> to <code>pangolin.bnkserve.org</code>
5. Test new tunnel: <code>curl https://changemaker.pangolin.bnkserve.org/api/health</code>
6. Remove old scripts: <code>rm scripts/legacy/*</code></p>
<p><strong>Why Pangolin?</strong>
- Self-hosted (privacy/control)
- No Cloudflare dependency
- Free/open source
- API-driven management</p>
<hr />
<h2 id="advanced-configuration">Advanced Configuration<a class="headerlink" href="#advanced-configuration" title="Permanent link">&para;</a></h2>
<h3 id="custom-tunnel-domain">Custom Tunnel Domain<a class="headerlink" href="#custom-tunnel-domain" title="Permanent link">&para;</a></h3>
<p><strong>Requirement:</strong> Own domain with DNS control.</p>
<p><strong>Steps:</strong>
1. Create endpoint with custom domain
2. Add DNS record: <code>tunnel.cmlite.org CNAME pangolin.bnkserve.org.</code>
3. Update <code>PANGOLIN_ENDPOINT=https://tunnel.cmlite.org</code>
4. Restart Newt</p>
<h3 id="multiple-sites">Multiple Sites<a class="headerlink" href="#multiple-sites" title="Permanent link">&para;</a></h3>
<p><strong>Use case:</strong> Staging + production on same tunnel.</p>
<p><strong>Setup:</strong>
<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"># Create second site</span>
</span><span id="__span-20-2"><a id="__codelineno-20-2" name="__codelineno-20-2" href="#__codelineno-20-2"></a>curl<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>https://api.bnkserve.org/v1/sites<span class="w"> </span><span class="se">\</span>
</span><span id="__span-20-3"><a id="__codelineno-20-3" name="__codelineno-20-3" href="#__codelineno-20-3"></a><span class="w"> </span>-d<span class="w"> </span><span class="s1">&#39;{&quot;org_id&quot;:&quot;...&quot;,&quot;name&quot;:&quot;Staging&quot;}&#39;</span>
</span><span id="__span-20-4"><a id="__codelineno-20-4" name="__codelineno-20-4" href="#__codelineno-20-4"></a>
</span><span id="__span-20-5"><a id="__codelineno-20-5" name="__codelineno-20-5" href="#__codelineno-20-5"></a><span class="c1"># Create endpoint for staging</span>
</span><span id="__span-20-6"><a id="__codelineno-20-6" name="__codelineno-20-6" href="#__codelineno-20-6"></a>curl<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>https://api.bnkserve.org/v1/endpoints<span class="w"> </span><span class="se">\</span>
</span><span id="__span-20-7"><a id="__codelineno-20-7" name="__codelineno-20-7" href="#__codelineno-20-7"></a><span class="w"> </span>-d<span class="w"> </span><span class="s1">&#39;{&quot;site_id&quot;:&quot;...&quot;,&quot;subdomain&quot;:&quot;staging-changemaker&quot;}&#39;</span>
</span><span id="__span-20-8"><a id="__codelineno-20-8" name="__codelineno-20-8" href="#__codelineno-20-8"></a>
</span><span id="__span-20-9"><a id="__codelineno-20-9" name="__codelineno-20-9" href="#__codelineno-20-9"></a><span class="c1"># Create resource pointing to staging Nginx</span>
</span><span id="__span-20-10"><a id="__codelineno-20-10" name="__codelineno-20-10" href="#__codelineno-20-10"></a>curl<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>https://api.bnkserve.org/v1/resources<span class="w"> </span><span class="se">\</span>
</span><span id="__span-20-11"><a id="__codelineno-20-11" name="__codelineno-20-11" href="#__codelineno-20-11"></a><span class="w"> </span>-d<span class="w"> </span><span class="s1">&#39;{&quot;endpoint_id&quot;:&quot;...&quot;,&quot;target&quot;:&quot;http://nginx-staging:80&quot;}&#39;</span>
</span></code></pre></div></p>
<hr />
<h2 id="monitoring">Monitoring<a class="headerlink" href="#monitoring" title="Permanent link">&para;</a></h2>
<h3 id="health-checks">Health Checks<a class="headerlink" href="#health-checks" title="Permanent link">&para;</a></h3>
<p><strong>Tunnel status:</strong>
<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"># Container health</span>
</span><span id="__span-21-2"><a id="__codelineno-21-2" name="__codelineno-21-2" href="#__codelineno-21-2"></a>docker<span class="w"> </span>compose<span class="w"> </span>ps<span class="w"> </span>newt
</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"># Connection logs</span>
</span><span id="__span-21-5"><a id="__codelineno-21-5" name="__codelineno-21-5" href="#__codelineno-21-5"></a>docker<span class="w"> </span>compose<span class="w"> </span>logs<span class="w"> </span>--tail<span class="o">=</span><span class="m">50</span><span class="w"> </span>newt<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>-i<span class="w"> </span>connected
</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"># Test public endpoint</span>
</span><span id="__span-21-8"><a id="__codelineno-21-8" name="__codelineno-21-8" href="#__codelineno-21-8"></a>curl<span class="w"> </span>-I<span class="w"> </span>https://changemaker.pangolin.bnkserve.org
</span></code></pre></div></p>
<p><strong>Prometheus metrics</strong> (if enabled):
<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"># API uptime through tunnel</span>
</span><span id="__span-22-2"><a id="__codelineno-22-2" name="__codelineno-22-2" href="#__codelineno-22-2"></a>curl<span class="w"> </span>https://changemaker.pangolin.bnkserve.org/api/metrics<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>cm_api_uptime
</span></code></pre></div></p>
<hr />
<h2 id="related-documentation">Related Documentation<a class="headerlink" href="#related-documentation" title="Permanent link">&para;</a></h2>
<ul>
<li><strong><a href="../docker-compose/">Docker Compose</a></strong> — Newt container configuration</li>
<li><strong><a href="../nginx/">Nginx Configuration</a></strong> — Reverse proxy setup</li>
<li><strong><a href="../ssl-tls/">SSL/TLS</a></strong> — Certificate management (handled by tunnel)</li>
<li><strong><a href="../environment-variables/">Environment Variables</a></strong> — Pangolin env vars</li>
</ul>
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