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<meta charset="utf-8" /><meta name="hf:doc:metadata" content="{&quot;title&quot;:&quot;Docker Spaces&quot;,&quot;local&quot;:&quot;docker-spaces&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Setting up Docker Spaces&quot;,&quot;local&quot;:&quot;setting-up-docker-spaces&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Secrets and Variables Management&quot;,&quot;local&quot;:&quot;secrets-and-variables-management&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Variables&quot;,&quot;local&quot;:&quot;variables&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Buildtime&quot;,&quot;local&quot;:&quot;buildtime&quot;,&quot;sections&quot;:[],&quot;depth&quot;:4},{&quot;title&quot;:&quot;Runtime&quot;,&quot;local&quot;:&quot;runtime&quot;,&quot;sections&quot;:[],&quot;depth&quot;:4}],&quot;depth&quot;:3},{&quot;title&quot;:&quot;Secrets&quot;,&quot;local&quot;:&quot;secrets&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Buildtime&quot;,&quot;local&quot;:&quot;buildtime&quot;,&quot;sections&quot;:[],&quot;depth&quot;:4},{&quot;title&quot;:&quot;Runtime&quot;,&quot;local&quot;:&quot;runtime&quot;,&quot;sections&quot;:[],&quot;depth&quot;:4}],&quot;depth&quot;:3}],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Permissions&quot;,&quot;local&quot;:&quot;permissions&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Data Persistence&quot;,&quot;local&quot;:&quot;data-persistence&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Docker container with GPU&quot;,&quot;local&quot;:&quot;docker-container-with-gpu&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3}],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Read More&quot;,&quot;local&quot;:&quot;read-more&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2}],&quot;depth&quot;:1}">
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 <link rel="modulepreload" href="/docs/hub/pr_2521/en/_app/immutable/chunks/CodeBlock.5ed269c1.js"><!-- HEAD_svelte-u9bgzb_START --><meta name="hf:doc:metadata" content="{&quot;title&quot;:&quot;Docker Spaces&quot;,&quot;local&quot;:&quot;docker-spaces&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Setting up Docker Spaces&quot;,&quot;local&quot;:&quot;setting-up-docker-spaces&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Secrets and Variables Management&quot;,&quot;local&quot;:&quot;secrets-and-variables-management&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Variables&quot;,&quot;local&quot;:&quot;variables&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Buildtime&quot;,&quot;local&quot;:&quot;buildtime&quot;,&quot;sections&quot;:[],&quot;depth&quot;:4},{&quot;title&quot;:&quot;Runtime&quot;,&quot;local&quot;:&quot;runtime&quot;,&quot;sections&quot;:[],&quot;depth&quot;:4}],&quot;depth&quot;:3},{&quot;title&quot;:&quot;Secrets&quot;,&quot;local&quot;:&quot;secrets&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Buildtime&quot;,&quot;local&quot;:&quot;buildtime&quot;,&quot;sections&quot;:[],&quot;depth&quot;:4},{&quot;title&quot;:&quot;Runtime&quot;,&quot;local&quot;:&quot;runtime&quot;,&quot;sections&quot;:[],&quot;depth&quot;:4}],&quot;depth&quot;:3}],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Permissions&quot;,&quot;local&quot;:&quot;permissions&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Data Persistence&quot;,&quot;local&quot;:&quot;data-persistence&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Docker container with GPU&quot;,&quot;local&quot;:&quot;docker-container-with-gpu&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3}],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Read More&quot;,&quot;local&quot;:&quot;read-more&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2}],&quot;depth&quot;:1}"><!-- HEAD_svelte-u9bgzb_END --> <p></p> <div class="items-center shrink-0 min-w-[100px] max-sm:min-w-[50px] justify-end ml-auto flex" style="float: right; margin-left: 10px; display: inline-flex; position: relative; z-index: 10;"><div class="inline-flex rounded-md max-sm:rounded-sm"><button class="inline-flex items-center gap-1 h-7 max-sm:h-7 px-2 max-sm:px-1.5 text-sm font-medium text-gray-800 border border-r-0 rounded-l-md max-sm:rounded-l-sm border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-live="polite"><span class="inline-flex items-center justify-center rounded-md p-0.5 max-sm:p-0 hover:text-gray-800 dark:hover:text-gray-200"><svg class="sm:size-3.5 size-3" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg></span> <span>Copy page</span></button> <button class="inline-flex items-center justify-center w-6 max-sm:w-5 h-7 max-sm:h-7 disabled:pointer-events-none text-sm text-gray-500 hover:text-gray-700 dark:hover:text-white rounded-r-md max-sm:rounded-r-sm border border-l transition border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-haspopup="menu" aria-expanded="false" aria-label="Open copy menu"><svg class="transition-transform text-gray-400 overflow-visible sm:size-3.5 size-3 rotate-0" width="1em" height="1em" viewBox="0 0 12 7" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1L6 6L11 1" stroke="currentColor"></path></svg></button></div> </div> <h1 class="relative group"><a id="docker-spaces" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#docker-spaces"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Docker Spaces</span></h1> <p data-svelte-h="svelte-w0y2ov">Spaces accommodate custom <a href="https://docs.docker.com/get-started/" rel="nofollow">Docker containers</a> for apps outside the scope of Streamlit and Gradio. Docker Spaces allow users to go beyond the limits of what was previously possible with the standard SDKs. From FastAPI and Go endpoints to Phoenix apps and ML Ops tools, Docker Spaces can help in many different setups.</p> <h2 class="relative group"><a id="setting-up-docker-spaces" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#setting-up-docker-spaces"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Setting up Docker Spaces</span></h2> <p data-svelte-h="svelte-h7pmh6">Selecting <strong>Docker</strong> as the SDK when <a href="https://huggingface.co/new-space" rel="nofollow">creating a new Space</a> will initialize your Space by setting the <code>sdk</code> property to <code>docker</code> in your <code>README.md</code> file’s YAML block. Alternatively, given an existing Space repository, set <code>sdk: docker</code> inside the <code>YAML</code> block at the top of your Spaces <strong>README.md</strong> file. You can also change the default exposed port <code>7860</code> by setting <code>app_port: 7860</code>. Afterwards, you can create a usual <code>Dockerfile</code>.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class="language-Yaml "><!-- HTML_TAG_START --><span class="hljs-meta">---</span>
<span class="hljs-attr">title:</span> <span class="hljs-string">Basic</span> <span class="hljs-string">Docker</span> <span class="hljs-string">SDK</span> <span class="hljs-string">Space</span>
<span class="hljs-attr">emoji:</span> <span class="hljs-string">🐳</span>
<span class="hljs-attr">colorFrom:</span> <span class="hljs-string">purple</span>
<span class="hljs-attr">colorTo:</span> <span class="hljs-string">gray</span>
<span class="hljs-attr">sdk:</span> <span class="hljs-string">docker</span>
<span class="hljs-attr">app_port:</span> <span class="hljs-number">7860</span>
<span class="hljs-meta">---</span><!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-ubwn6s">Internally you could have as many open ports as you want. For instance, you can install Elasticsearch inside your Space and call it internally on its default port 9200.</p> <p data-svelte-h="svelte-7kw42">If you want to expose apps served on multiple ports to the outside world, a workaround is to use a reverse proxy like Nginx to dispatch requests from the broader internet (on a single port) to different internal ports.</p> <h2 class="relative group"><a id="secrets-and-variables-management" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#secrets-and-variables-management"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Secrets and Variables Management</span></h2> <a id="secret-management"></a> <p data-svelte-h="svelte-1h3v2gx">You can manage a Space’s environment variables in the Space Settings. Read more <a href="./spaces-overview#managing-secrets">here</a>.</p> <h3 class="relative group"><a id="variables" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#variables"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Variables</span></h3> <h4 class="relative group"><a id="buildtime" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#buildtime"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Buildtime</span></h4> <p data-svelte-h="svelte-1pvbf5p">Variables are passed as <code>build-arg</code>s when building your Docker Space. Read <a href="https://docs.docker.com/engine/reference/builder/#arg" rel="nofollow">Docker’s dedicated documentation</a> for a complete guide on how to use this in the Dockerfile.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class="language-Dockerfile "><!-- HTML_TAG_START --> <span class="hljs-comment"># Declare your environment variables with the ARG directive</span>
 <span class="hljs-keyword">ARG</span> MODEL_REPO_NAME
<span class="hljs-keyword">FROM</span> python:latest
 <span class="hljs-comment"># [...]</span>
 <span class="hljs-comment"># You can use them like environment variables</span>
 <span class="hljs-keyword">RUN</span><span class="language-bash"> predict.py <span class="hljs-variable">$MODEL_REPO_NAME</span></span><!-- HTML_TAG_END --></pre></div> <h4 class="relative group"><a id="runtime" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#runtime"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Runtime</span></h4> <p data-svelte-h="svelte-44bkkk">Variables are injected in the container’s environment at runtime.</p> <h3 class="relative group"><a id="secrets" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#secrets"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Secrets</span></h3> <h4 class="relative group"><a id="buildtime" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#buildtime"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Buildtime</span></h4> <p data-svelte-h="svelte-n1tr5j">In Docker Spaces, the secrets management is different for security reasons. Once you create a secret in the <a href="./spaces-overview#managing-secrets">Settings tab</a>, you can expose the secret by adding the following line in your Dockerfile:</p> <p data-svelte-h="svelte-1gh9ehc">For example, if <code>SECRET_EXAMPLE</code> is the name of the secret you created in the Settings tab, you can read it at build time by mounting it to a file, then reading it with <code>$(cat /run/secrets/SECRET_EXAMPLE)</code>.</p> <p data-svelte-h="svelte-kl0aht">See an example below:</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class="language-Dockerfile "><!-- HTML_TAG_START --><span class="hljs-comment"># Expose the secret SECRET_EXAMPLE at buildtime and use its value as git remote URL</span>
<span class="hljs-keyword">RUN</span><span class="language-bash"> --mount=<span class="hljs-built_in">type</span>=secret,<span class="hljs-built_in">id</span>=SECRET_EXAMPLE,mode=0444,required=<span class="hljs-literal">true</span> \
 git init &amp;&amp; \
 git remote add origin $(<span class="hljs-built_in">cat</span> /run/secrets/SECRET_EXAMPLE)</span><!-- HTML_TAG_END --></pre></div> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class="language-Dockerfile "><!-- HTML_TAG_START --><span class="hljs-comment"># Expose the secret SECRET_EXAMPLE at buildtime and use its value as a Bearer token for a curl request</span>
<span class="hljs-keyword">RUN</span><span class="language-bash"> --mount=<span class="hljs-built_in">type</span>=secret,<span class="hljs-built_in">id</span>=SECRET_EXAMPLE,mode=0444,required=<span class="hljs-literal">true</span> \
 curl <span class="hljs-built_in">test</span> -H <span class="hljs-string">&#x27;Authorization: Bearer $(cat /run/secrets/SECRET_EXAMPLE)&#x27;</span></span><!-- HTML_TAG_END --></pre></div> <h4 class="relative group"><a id="runtime" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#runtime"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Runtime</span></h4> <p data-svelte-h="svelte-1r3p8cc">Same as for public Variables, at runtime, you can access the secrets as environment variables. For example, in Python you would use <code>os.environ.get(&quot;SECRET_EXAMPLE&quot;)</code>. Check out this <a href="https://huggingface.co/spaces/DockerTemplates/secret-example" rel="nofollow">example</a> of a Docker Space that uses secrets.</p> <h2 class="relative group"><a id="permissions" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#permissions"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Permissions</span></h2> <p data-svelte-h="svelte-qqm8ko">The container runs with user ID 1000. To avoid permission issues you should create a user and set its <code>WORKDIR</code> before any <code>COPY</code> or download.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class="language-Dockerfile "><!-- HTML_TAG_START --><span class="hljs-comment"># Set up a new user named &quot;user&quot; with user ID 1000</span>
<span class="hljs-keyword">RUN</span><span class="language-bash"> useradd -m -u 1000 user</span>
<span class="hljs-comment"># Switch to the &quot;user&quot; user</span>
<span class="hljs-keyword">USER</span> <span class="hljs-keyword">user</span>
<span class="hljs-comment"># Set home to the user&#x27;s home directory</span>
<span class="hljs-keyword">ENV</span> HOME=/home/<span class="hljs-keyword">user</span> \
 PATH=/home/<span class="hljs-keyword">user</span>/.local/bin:$PATH
<span class="hljs-comment"># Set the working directory to the user&#x27;s home directory</span>
<span class="hljs-keyword">WORKDIR</span><span class="language-bash"> <span class="hljs-variable">$HOME</span>/app</span>
<span class="hljs-comment"># Try and run pip command after setting the user with `USER user` to avoid permission issues with Python</span>
<span class="hljs-keyword">RUN</span><span class="language-bash"> pip install --no-cache-dir --upgrade pip</span>
<span class="hljs-comment"># Copy the current directory contents into the container at $HOME/app setting the owner to the user</span>
<span class="hljs-keyword">COPY</span><span class="language-bash"> --<span class="hljs-built_in">chown</span>=user . <span class="hljs-variable">$HOME</span>/app</span>
<span class="hljs-comment"># Download a checkpoint</span>
<span class="hljs-keyword">RUN</span><span class="language-bash"> <span class="hljs-built_in">mkdir</span> content</span>
<span class="hljs-keyword">ADD</span><span class="language-bash"> --<span class="hljs-built_in">chown</span>=user https://&lt;SOME_ASSET_URL&gt; content/&lt;SOME_ASSET_NAME&gt;</span><!-- HTML_TAG_END --></pre></div> <blockquote class="warning">Always specify the `--chown=user` with `ADD` and `COPY` to ensure the new files are owned by your user.</blockquote> <p data-svelte-h="svelte-1pt6533">If you still face permission issues, you might need to use <code>chmod</code> or <code>chown</code> in your <code>Dockerfile</code> to grant the right permissions. For example, if you want to use the directory <code>/data</code>, you can do:</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class="language-Dockerfile "><!-- HTML_TAG_START --><span class="hljs-keyword">RUN</span><span class="language-bash"> <span class="hljs-built_in">mkdir</span> -p /data</span>
<span class="hljs-keyword">RUN</span><span class="language-bash"> <span class="hljs-built_in">chmod</span> 777 /data</span><!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-jzekxv">You should always avoid superfluous chowns.</p> <blockquote class="warning" data-svelte-h="svelte-1867ihm"><p>Updating metadata for a file creates a new copy stored in the new layer. Therefore, a recursive chown can result in a very large image due to the duplication of all affected files.</p></blockquote> <p data-svelte-h="svelte-434txp">Rather than fixing permission by running <code>chown</code>:</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=" "><!-- HTML_TAG_START --><span class="hljs-keyword">COPY</span> <span class="hljs-keyword">checkpoint</span> .
RUN chown -R <span class="hljs-keyword">user</span> <span class="hljs-keyword">checkpoint</span><!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-thb2t6">you should always do:</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=" "><!-- HTML_TAG_START -->COPY --<span class="hljs-attr">chown=</span><span class="hljs-keyword">user</span> <span class="hljs-title">checkpoint</span> .<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-ju3fq3">(same goes for <code>ADD</code> command)</p> <h2 class="relative group"><a id="data-persistence" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#data-persistence"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Data Persistence</span></h2> <p data-svelte-h="svelte-1mllazk">The data written on disk is lost whenever your Docker Space restarts. To persist data across restarts, you can attach a <a href="./storage-buckets">Storage Bucket</a> to your Space.</p> <blockquote class="warning"><p data-svelte-h="svelte-fsdvo1">At the moment, <code>/data</code> volume is only available at runtime, i.e. you cannot use <code>/data</code> during the build step of your Dockerfile.</p></blockquote> <p data-svelte-h="svelte-enfzpv">You can also use our Datasets Hub for specific cases, where you can store state and data in a git LFS repository. You can find an example of persistence <a href="https://huggingface.co/spaces/Wauplin/space_to_dataset_saver" rel="nofollow">here</a>, which uses the <a href="https://huggingface.co/docs/huggingface_hub/index" rel="nofollow"><code>huggingface_hub</code> library</a> for programmatically uploading files to a dataset repository. This Space example along with <a href="https://huggingface.co/docs/huggingface_hub/main/en/guides/upload#scheduled-uploads" rel="nofollow">this guide</a> will help you define which solution fits best your data type.</p> <p data-svelte-h="svelte-6fiwn3">Finally, in some cases, you might want to use an external storage solution from your Space’s code like an external hosted DB, S3, etc.</p> <h3 class="relative group"><a id="docker-container-with-gpu" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#docker-container-with-gpu"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Docker container with GPU</span></h3> <p data-svelte-h="svelte-1dgqv1f">You can run Docker containers with GPU support by using one of our GPU-flavored <a href="./spaces-gpus">Spaces Hardware</a>.</p> <p data-svelte-h="svelte-1tvx6ba">We recommend using the <a href="https://hub.docker.com/r/nvidia/cuda" rel="nofollow"><code>nvidia/cuda</code></a> from Docker Hub as a base image, which comes with CUDA and cuDNN pre-installed.</p> <blockquote class="warning">During Docker buildtime, you don&#39;t have access to a GPU hardware. Therefore, you should not try to run any GPU-related command during the build step of your Dockerfile. For example, you can&#39;t run `nvidia-smi` or `torch.cuda.is_available()` building an image. Read more [here](https://github.com/NVIDIA/nvidia-docker/wiki/nvidia-docker#description).</blockquote> <h2 class="relative group"><a id="read-more" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#read-more"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Read More</span></h2> <ul data-svelte-h="svelte-1yowpgy"><li><a href="spaces-sdks-docker-first-demo">Full Docker demo example</a></li> <li><a href="spaces-sdks-docker-examples">List of Docker Spaces examples</a></li> <li><a href="https://huggingface.co/SpacesExamples" rel="nofollow">Spaces Examples</a></li></ul> <a class="!text-gray-400 !no-underline text-sm flex items-center not-prose mt-4" href="https://github.com/huggingface/hub-docs/blob/main/docs/hub/spaces-sdks-docker.md" target="_blank"><svg class="mr-1" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M31,16l-7,7l-1.41-1.41L28.17,16l-5.58-5.59L24,9l7,7z"></path><path d="M1,16l7-7l1.41,1.41L3.83,16l5.58,5.59L8,23l-7-7z"></path><path d="M12.419,25.484L17.639,6.552l1.932,0.518L14.351,26.002z"></path></svg> <span data-svelte-h="svelte-zjs2n5"><span class="underline">Update</span> on GitHub</span></a> <p></p>
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