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class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Docker</span><meta itemprop="position" content="2"></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>Docker</h1></header><p>This guide will help you get LangFlow up and running using Docker and Docker Compose.</p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="856bb2d98156402bbd1980365b98110c">Prerequisites<a class="hash-link" aria-label="Direct link to Prerequisites" title="Direct link to Prerequisites" href="/deployment-docker#856bb2d98156402bbd1980365b98110c"></a></h2>
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<ul>
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<li>Docker</li>
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<li>Docker Compose</li>
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</ul>
|
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="ba89773aa8b8425b985bfe7ba91c35cc">Clone repo and build Docker container<a class="hash-link" aria-label="Direct link to Clone repo and build Docker container" title="Direct link to Clone repo and build Docker container" href="/deployment-docker#ba89773aa8b8425b985bfe7ba91c35cc"></a></h2>
|
||
<ol>
|
||
<li>
|
||
<p>Clone the LangFlow repository:</p>
|
||
<p><code>git clone https://github.com/langflow-ai/langflow.git</code></p>
|
||
</li>
|
||
<li>
|
||
<p>Navigate to the <code>docker_example</code> directory:</p>
|
||
<p><code>cd langflow/docker_example</code></p>
|
||
</li>
|
||
<li>
|
||
<p>Run the Docker Compose file:</p>
|
||
<p><code>docker compose up</code></p>
|
||
</li>
|
||
</ol>
|
||
<p>LangFlow will now be accessible at <a href="http://localhost:7860/" target="_blank" rel="noopener noreferrer">http://localhost:7860/</a>.</p>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="02226209cad24185a6ec5b69bd820d0f">Docker Compose configuration<a class="hash-link" aria-label="Direct link to Docker Compose configuration" title="Direct link to Docker Compose configuration" href="/deployment-docker#02226209cad24185a6ec5b69bd820d0f"></a></h2>
|
||
<p>The Docker Compose configuration spins up two services: <code>langflow</code> and <code>postgres</code>.</p>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="d749848451ea43bd86f6f096dc77e6e6">LangFlow service<a class="hash-link" aria-label="Direct link to LangFlow service" title="Direct link to LangFlow service" href="/deployment-docker#d749848451ea43bd86f6f096dc77e6e6"></a></h3>
|
||
<p>The <code>langflow</code> service uses the <code>langflowai/langflow:latest</code> Docker image and exposes port 7860. It depends on the <code>postgres</code> service.</p>
|
||
<p>Environment variables:</p>
|
||
<ul>
|
||
<li><code>LANGFLOW_DATABASE_URL</code>: The connection string for the PostgreSQL database.</li>
|
||
<li><code>LANGFLOW_CONFIG_DIR</code>: The directory where LangFlow stores logs, file storage, monitor data, and secret keys.</li>
|
||
</ul>
|
||
<p>Volumes:</p>
|
||
<ul>
|
||
<li><code>langflow-data</code>: This volume is mapped to <code>/var/lib/langflow</code> in the container.</li>
|
||
</ul>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="121140decbfe4997b12213bdd2c4da7e">PostgreSQL service<a class="hash-link" aria-label="Direct link to PostgreSQL service" title="Direct link to PostgreSQL service" href="/deployment-docker#121140decbfe4997b12213bdd2c4da7e"></a></h3>
|
||
<p>The <code>postgres</code> service uses the <code>postgres:16</code> Docker image and exposes port 5432.</p>
|
||
<p>Environment variables:</p>
|
||
<ul>
|
||
<li><code>POSTGRES_USER</code>: The username for the PostgreSQL database.</li>
|
||
<li><code>POSTGRES_PASSWORD</code>: The password for the PostgreSQL database.</li>
|
||
<li><code>POSTGRES_DB</code>: The name of the PostgreSQL database.</li>
|
||
</ul>
|
||
<p>Volumes:</p>
|
||
<ul>
|
||
<li><code>langflow-postgres</code>: This volume is mapped to <code>/var/lib/postgresql/data</code> in the container.</li>
|
||
</ul>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2b3e191ea48f4feab89242433cf012d5">Switch to a specific LangFlow version<a class="hash-link" aria-label="Direct link to Switch to a specific LangFlow version" title="Direct link to Switch to a specific LangFlow version" href="/deployment-docker#2b3e191ea48f4feab89242433cf012d5"></a></h2>
|
||
<p>If you want to use a specific version of LangFlow, you can modify the <code>image</code> field under the <code>langflow</code> service in the Docker Compose file. For example, to use version 1.0-alpha, change <code>langflowai/langflow:latest</code> to <code>langflowai/langflow:1.0-alpha</code>.</p></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/deployment-kubernetes"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Kubernetes</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/deployment-gcp"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">GCP</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 class="table-of-contents__link toc-highlight" href="/deployment-docker#856bb2d98156402bbd1980365b98110c">Prerequisites</a></li><li><a class="table-of-contents__link toc-highlight" href="/deployment-docker#ba89773aa8b8425b985bfe7ba91c35cc">Clone repo and build Docker container</a></li><li><a class="table-of-contents__link toc-highlight" href="/deployment-docker#02226209cad24185a6ec5b69bd820d0f">Docker Compose configuration</a><ul><li><a class="table-of-contents__link toc-highlight" href="/deployment-docker#d749848451ea43bd86f6f096dc77e6e6">LangFlow service</a></li><li><a class="table-of-contents__link toc-highlight" href="/deployment-docker#121140decbfe4997b12213bdd2c4da7e">PostgreSQL service</a></li></ul></li><li><a class="table-of-contents__link toc-highlight" href="/deployment-docker#2b3e191ea48f4feab89242433cf012d5">Switch to a specific LangFlow version</a></li></ul></div></div></div></div></main></div></div></div><div id="ms-floating-button" class="ms-fixed ms-bottom-4 ms-right-8 ms-z-[100] ms-flex ms-flex-col ms-items-end hover:ms-cursor-pointer"><div class="ms-relative ms-mb-4"><div style="background-color:#f6f6f6" class="ms-absolute -ms-bottom-1 ms-right-6 -ms-z-10 ms-h-4 ms-w-4 ms-rotate-45"></div><div style="background-color:#f6f6f6" class="ms-z-10 ms-flex ms-items-center ms-justify-center ms-rounded-lg ms-px-3 ms-py-2"><p style="color:#000000;margin:0" class="ms-text-sm">Hi, how can I help you?</p></div></div><div style="background-color:#f6f6f6" class="ms-flex ms-h-16 ms-w-16 ms-flex-col ms-items-center ms-justify-center ms-self-end ms-rounded-full ms-p-2 ms-transition"><div class="ms-rotate-0 ms-flex ms-h-full ms-w-full ms-transform ms-cursor-pointer ms-items-center ms-justify-center ms-rounded-full ms-transition-all ms-delay-75 ms-duration-100 ms-ease-in-out"><div style="color:#000000;font-size:22px;width:48px;height:48px;margin:0px;padding:0px;display:flex;align-items:center;justify-content:center;text-align:center"><img src="/img/chain.png" style="width:40px"></div></div></div><div></div></div></div>
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