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class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Deploy</span></li><li class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link">Containers</span></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Containers</h1></header>
<p>Komodo can deploy Docker containers through the <code>Deployment</code> resource. It translates your configuration into a <code>docker run</code> command and executes it on the target Server via the Periphery agent.</p>
<h2 class="anchor anchorTargetHideOnScrollNavbar_vjPI" id="configuration">Configuration<a href="#configuration" class="hash-link" aria-label="Direct link to Configuration" title="Direct link to Configuration" translate="no"></a></h2>
<div class="language-toml codeBlockContainer_Ckt0 theme-code-block" style="--prism-background-color:hsl(230, 1%, 98%);--prism-color:hsl(230, 8%, 24%)"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-toml codeBlock_bY9V thin-scrollbar" style="background-color:hsl(230, 1%, 98%);color:hsl(230, 8%, 24%)"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token punctuation" style="color:hsl(119, 34%, 47%)">[</span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">[</span><span class="token table class-name" style="color:hsl(35, 99%, 36%)">deployment</span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">]</span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token key property" style="color:hsl(5, 74%, 59%)">name</span><span class="token plain"> </span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">=</span><span class="token plain"> </span><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;my-app&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">[</span><span class="token table class-name" style="color:hsl(35, 99%, 36%)">deployment.config</span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token key property" style="color:hsl(5, 74%, 59%)">server</span><span class="token plain"> </span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">=</span><span class="token plain"> </span><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;server-prod&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token key property" style="color:hsl(5, 74%, 59%)">image.type</span><span class="token plain"> </span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">=</span><span class="token plain"> </span><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;Image&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token key property" style="color:hsl(5, 74%, 59%)">image.params.image</span><span class="token plain"> </span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">=</span><span class="token plain"> </span><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;ghcr.io/myorg/my-app:latest&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token key property" style="color:hsl(5, 74%, 59%)">network</span><span class="token plain"> </span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">=</span><span class="token plain"> </span><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;host&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token key property" style="color:hsl(5, 74%, 59%)">restart</span><span class="token plain"> </span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">=</span><span class="token plain"> </span><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;on-failure&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token key property" style="color:hsl(5, 74%, 59%)">environment</span><span class="token plain"> </span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">=</span><span class="token plain"> </span><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;&quot;&quot;</span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token string" style="color:hsl(119, 34%, 47%)">DB_HOST = db.example.com</span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token string" style="color:hsl(119, 34%, 47%)">LOG_LEVEL = info</span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;&quot;&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token plain"></span><span class="token key property" style="color:hsl(5, 74%, 59%)">volumes</span><span class="token plain"> </span><span class="token punctuation" style="color:hsl(119, 34%, 47%)">=</span><span class="token plain"> </span><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;&quot;&quot;</span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token string" style="color:hsl(119, 34%, 47%)">/data/my-app/data:/app/data</span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token string" style="color:hsl(119, 34%, 47%)">/data/my-app/config:/app/config</span><br></span><span class="token-line" style="color:hsl(230, 8%, 24%)"><span class="token string" style="color:hsl(119, 34%, 47%)">&quot;&quot;&quot;</span><br></span></code></pre></div></div>
<h3 class="anchor anchorTargetHideOnScrollNavbar_vjPI" id="config-fields">Config fields<a href="#config-fields" class="hash-link" aria-label="Direct link to Config fields" title="Direct link to Config fields" translate="no"></a></h3>
<table><thead><tr><th>Field</th><th>Description</th><th>Default</th></tr></thead><tbody><tr><td><code>server</code></td><td>The Server to deploy on.</td><td></td></tr><tr><td><code>image</code></td><td>Docker image — either a custom image string or an attached Komodo Build.</td><td></td></tr><tr><td><code>network</code></td><td>Docker network to connect to. <code>host</code> bypasses the virtual network layer.</td><td><code>host</code></td></tr><tr><td><code>restart</code></td><td>Restart policy (<code>no</code>, <code>on-failure</code>, <code>always</code>, <code>unless-stopped</code>).</td><td><code>unless-stopped</code></td></tr><tr><td><code>ports</code></td><td>Port mappings when not using <code>host</code> network (e.g. <code>27018:27017</code>).</td><td><code>[]</code></td></tr><tr><td><code>volumes</code></td><td>Bind mounts in <code>host_path:container_path</code> format.</td><td><code>&quot;&quot;</code></td></tr><tr><td><code>environment</code></td><td>Environment variables in <code>KEY=value</code> format. Supports <a class="" href="/docs/configuration/variables">variable interpolation</a>.</td><td><code>&quot;&quot;</code></td></tr><tr><td><code>labels</code></td><td>Docker labels in <code>key=value</code> format.</td><td><code>&quot;&quot;</code></td></tr><tr><td><code>command</code></td><td>Override the default image command. Appended after the image in <code>docker run</code>.</td><td><code>&quot;&quot;</code></td></tr><tr><td><code>extra_args</code></td><td>Additional flags passed directly to <code>docker run</code>.</td><td><code>&quot;&quot;</code></td></tr><tr><td><code>send_alerts</code></td><td>Send alerts on container state changes.</td><td><code>true</code></td></tr><tr><td><code>auto_update</code></td><td>Automatically redeploy when a newer image digest is available (same tag).</td><td><code>false</code></td></tr><tr><td><code>poll_for_updates</code></td><td>Check for newer images and show an update indicator (without auto-deploying).</td><td><code>false</code></td></tr><tr><td><code>links</code></td><td>Quick links displayed in the resource header.</td><td><code>[]</code></td></tr></tbody></table>
<h3 class="anchor anchorTargetHideOnScrollNavbar_vjPI" id="image-source">Image source<a href="#image-source" class="hash-link" aria-label="Direct link to Image source" title="Direct link to Image source" translate="no"></a></h3>
<p>There are two ways to specify the image:</p>
<ul>
<li class=""><strong>Komodo Build</strong> — attach a Build resource and Komodo deploys the latest (or a pinned) version. The registry credentials are inherited from the Build by default.</li>
<li class=""><strong>Custom image</strong> — specify an image string directly, e.g. <code>mongo</code> or <code>ghcr.io/myorg/my-app:1.0.0</code>. Select a Docker registry account if the image is private.</li>
</ul>
<h2 class="anchor anchorTargetHideOnScrollNavbar_vjPI" id="container-lifecycle">Container Lifecycle<a href="#container-lifecycle" class="hash-link" aria-label="Direct link to Container Lifecycle" title="Direct link to Container Lifecycle" translate="no"></a></h2>
<p>Komodo tracks container state and provides actions to manage the lifecycle:</p>
<table><thead><tr><th>Action</th><th>Description</th></tr></thead><tbody><tr><td><strong>Deploy / Redeploy</strong></td><td>Destroys the existing container (if any) and creates a new one with the current config. Config changes only take effect after a redeploy.</td></tr><tr><td><strong>Start</strong></td><td>Starts a stopped container with its existing config.</td></tr><tr><td><strong>Stop</strong></td><td>Stops the container but preserves its logs and state.</td></tr><tr><td><strong>Remove</strong></td><td>Destroys the container entirely.</td></tr></tbody></table>
<div class="theme-admonition theme-admonition-note admonition_xJq3 alert alert--secondary"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</div><div class="admonitionContent_BuS1"><p>Stopping and starting a container does <strong>not</strong> apply config changes — you must redeploy for that.</p></div></div>
<h2 class="anchor anchorTargetHideOnScrollNavbar_vjPI" id="deploying-to-a-swarm">Deploying to a Swarm<a href="#deploying-to-a-swarm" class="hash-link" aria-label="Direct link to Deploying to a Swarm" title="Direct link to Deploying to a Swarm" translate="no"></a></h2>
<p>Instead of targeting a single Server, a Deployment can target a <strong>Swarm</strong> to deploy the container as a Swarm service. You can attach Swarm configs and secrets to the service. See <a class="" href="/docs/swarm">Swarm</a> for details.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="row margin-top--sm theme-doc-footer-edit-meta-row"><div class="col noPrint_WFHX"><a href="https://github.com/moghtech/komodo/tree/main/docsite/docs/deploy/containers.md" target="_blank" rel="noopener noreferrer" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_JAkA"></div></div></footer></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/deploy/compose"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Docker Compose</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/deploy/auto-update"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Automatic Updates</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#configuration" class="table-of-contents__link toc-highlight">Configuration</a><ul><li><a href="#config-fields" class="table-of-contents__link toc-highlight">Config fields</a></li><li><a href="#image-source" class="table-of-contents__link toc-highlight">Image source</a></li></ul></li><li><a href="#container-lifecycle" class="table-of-contents__link toc-highlight">Container Lifecycle</a></li><li><a href="#deploying-to-a-swarm" class="table-of-contents__link toc-highlight">Deploying to a Swarm</a></li></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer footer--dark"><div class="container container-fluid"><div class="row footer__links"><div class="theme-layout-footer-column col footer__col"><div class="footer__title">Docs</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/docs/intro">Getting Started</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/setup">Setup</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/resources">Resources</a></li></ul></div><div class="theme-layout-footer-column col footer__col"><div class="footer__title">Ecosystem</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/docs/ecosystem/cli">CLI</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/ecosystem/api">API</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/ecosystem/community">Community</a></li></ul></div><div class="theme-layout-footer-column col footer__col"><div class="footer__title">Project</div><ul class="footer__items clean-list"><li class="footer__item"><a href="https://github.com/moghtech/komodo" target="_blank" rel="noopener noreferrer" class="footer__link-item">GitHub<svg width="13.5" height="13.5" aria-label="(opens in new tab)" class="iconExternalLink_nPIU"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://opencollective.com/komodo" target="_blank" rel="noopener noreferrer" class="footer__link-item">Donate<svg width="13.5" height="13.5" aria-label="(opens in new tab)" class="iconExternalLink_nPIU"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://demo.komo.do" target="_blank" rel="noopener noreferrer" class="footer__link-item">Demo<svg width="13.5" height="13.5" aria-label="(opens in new tab)" class="iconExternalLink_nPIU"><use href="#theme-svg-external-link"></use></svg></a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">© 2026 Mogh Technologies Inc. Licensed under GPL-3.0</div></div></div></footer></div>
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