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itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Advanced Options for Docker Installs</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Latest</span><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>Advanced Options for Docker Installs</h1></header><h3 class="anchor anchorWithStickyNavbar_LWe7" id="custom-ca-certificate">Custom CA Certificate<a href="#custom-ca-certificate" class="hash-link" aria-label="Direct link to Custom CA Certificate" title="Direct link to Custom CA Certificate"></a></h3><p>If you want to configure Rancher to use a CA root certificate to be used when validating services, you would start the Rancher container sharing the directory that contains the CA root certificate.</p><p>Use the command example to start a Rancher container with your private CA certificates mounted.</p><ul><li>The volume flag (<code>-v</code>) should specify the host directory containing the CA root certificates.</li><li>The environment variable flag (<code>-e</code>) in combination with <code>SSL_CERT_DIR</code> and directory declares an environment variable that specifies the mounted CA root certificates directory location inside the container.</li><li>Passing environment variables to the Rancher container can be done using <code>-e KEY=VALUE</code> or <code>--env KEY=VALUE</code>.</li><li>Mounting a host directory inside the container can be done using <code>-v host-source-directory:container-destination-directory</code> or <code>--volume host-source-directory:container-destination-directory</code>.</li></ul><p>The example below is based on having the CA root certificates in the <code>/host/certs</code> directory on the host and mounting this directory on <code>/container/certs</code> inside the Rancher container.</p><p>Privileged access is <a href="/getting-started/installation-and-upgrade/other-installation-methods/rancher-on-a-single-node-with-docker#privileged-access-for-rancher">required.</a></p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">docker run -d --restart=unless-stopped \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -p 80:80 -p 443:443 \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -v /host/certs:/container/certs \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -e SSL_CERT_DIR="/container/certs" \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> --privileged \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> rancher/rancher:latest</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="api-audit-log">API Audit Log<a href="#api-audit-log" class="hash-link" aria-label="Direct link to API Audit Log" title="Direct link to API Audit Log"></a></h3><p>The API Audit Log records all the user and system transactions made through Rancher server.</p><p>The API Audit Log writes to <code>/var/log/auditlog</code> inside the rancher container by default. Share that directory as a volume and set your <code>AUDIT_LEVEL</code> to enable the log.</p><p>See <a href="/how-to-guides/advanced-user-guides/enable-api-audit-log">API Audit Log</a> for more information and options.</p><p>Privileged access is <a href="/getting-started/installation-and-upgrade/other-installation-methods/rancher-on-a-single-node-with-docker#privileged-access-for-rancher">required.</a></p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">docker run -d --restart=unless-stopped \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -p 80:80 -p 443:443 \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -v /var/log/rancher/auditlog:/var/log/auditlog \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -e AUDIT_LEVEL=1 \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> --privileged \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> rancher/rancher:latest</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="tls-settings">TLS settings<a href="#tls-settings" class="hash-link" aria-label="Direct link to TLS settings" title="Direct link to TLS settings"></a></h3><p>To set a different TLS configuration, you can use the <code>CATTLE_TLS_MIN_VERSION</code> and <code>CATTLE_TLS_CIPHERS</code> environment variables. For example, to configure TLS 1.0 as minimum accepted TLS version:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">docker run -d --restart=unless-stopped \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -p 80:80 -p 443:443 \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -e CATTLE_TLS_MIN_VERSION="1.0" \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> --privileged \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> rancher/rancher:latest</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Privileged access is <a href="/getting-started/installation-and-upgrade/other-installation-methods/rancher-on-a-single-node-with-docker#privileged-access-for-rancher">required.</a></p><p>See <a href="/getting-started/installation-and-upgrade/installation-references/tls-settings">TLS settings</a> for more information and options.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="air-gap">Air Gap<a href="#air-gap" class="hash-link" aria-label="Direct link to Air Gap" title="Direct link to Air Gap"></a></h3><p>If you are visiting this page to complete an air gap installation, you must prepend your private registry URL to the server tag when running the installation command in the option that you choose. Add <code><REGISTRY.DOMAIN.COM:PORT></code> with your private registry URL in front of <code>rancher/rancher:latest</code>.</p><p><strong>Example:</strong></p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain"> <REGISTRY.DOMAIN.COM:PORT>/rancher/rancher:latest</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="persistent-data">Persistent Data<a href="#persistent-data" class="hash-link" aria-label="Direct link to Persistent Data" title="Direct link to Persistent Data"></a></h3><p>Rancher uses etcd as a datastore. When Rancher is installed with Docker, the embedded etcd is being used. The persistent data is at the following path in the container: <code>/var/lib/rancher</code>.</p><p>You can bind mount a host volume to this location to preserve data on the host it is running on:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">docker run -d --restart=unless-stopped \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -p 80:80 -p 443:443 \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -v /opt/rancher:/var/lib/rancher \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> --privileged \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> rancher/rancher:latest</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Privileged access is <a href="/getting-started/installation-and-upgrade/other-installation-methods/rancher-on-a-single-node-with-docker#privileged-access-for-rancher">required.</a></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="running-rancherrancher-and-rancherrancher-agent-on-the-same-node">Running <code>rancher/rancher</code> and <code>rancher/rancher-agent</code> on the Same Node<a href="#running-rancherrancher-and-rancherrancher-agent-on-the-same-node" class="hash-link" aria-label="Direct link to running-rancherrancher-and-rancherrancher-agent-on-the-same-node" title="Direct link to running-rancherrancher-and-rancherrancher-agent-on-the-same-node"></a></h3><p>In the situation where you want to use a single node to run Rancher and to be able to add the same node to a cluster, you have to adjust the host ports mapped for the <code>rancher/rancher</code> container.</p><p>If a node is added to a cluster, it deploys the nginx ingress controller which will use port 80 and 443. This will conflict with the default ports we advise to expose for the <code>rancher/rancher</code> container.</p><p>Please note that this setup is not recommended for production use, but can be convenient for development/demo purposes.</p><p>To change the host ports mapping, replace the following part <code>-p 80:80 -p 443:443</code> with <code>-p 8080:80 -p 8443:443</code>:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">docker run -d --restart=unless-stopped \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> -p 8080:80 -p 8443:443 \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> --privileged \</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> rancher/rancher:latest</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Privileged access is <a href="/getting-started/installation-and-upgrade/other-installation-methods/rancher-on-a-single-node-with-docker#privileged-access-for-rancher">required.</a></p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/rancher/rancher-docs/edit/main/docs/reference-guides/single-node-rancher-in-docker/advanced-options.md" target="_blank" rel="noreferrer noopener" 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_vwxv"><span class="theme-last-updated">Last updated<!-- --> on <b><time datetime="2023-12-22T21:33:02.000Z">Dec 22, 2023</time></b></span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/reference-guides/single-node-rancher-in-docker/http-proxy-configuration"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">HTTP Proxy Configuration</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/reference-guides/backup-restore-configuration"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Rancher Backup Configuration Reference</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="#custom-ca-certificate" class="table-of-contents__link toc-highlight">Custom CA Certificate</a></li><li><a href="#api-audit-log" class="table-of-contents__link toc-highlight">API Audit Log</a></li><li><a href="#tls-settings" class="table-of-contents__link toc-highlight">TLS settings</a></li><li><a href="#air-gap" class="table-of-contents__link toc-highlight">Air Gap</a></li><li><a href="#persistent-data" class="table-of-contents__link toc-highlight">Persistent Data</a></li><li><a href="#running-rancherrancher-and-rancherrancher-agent-on-the-same-node" class="table-of-contents__link toc-highlight">Running <code>rancher/rancher</code> and <code>rancher/rancher-agent</code> on the Same Node</a></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2024 SUSE Rancher. 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