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<p>Learn how to deploy Langflow on your own remote server with secure web access.
This guide walks you through setting up Langflow on a remote server using <a href="https://docs.docker.com/" target="_blank" rel="noopener noreferrer">Docker</a> and configuring secure web access with <a href="https://caddyserver.com/docs/" target="_blank" rel="noopener noreferrer">Caddy</a>.</p>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="prerequisites">Prerequisites<a href="#prerequisites" class="hash-link" aria-label="Direct link to Prerequisites" title="Direct link to Prerequisites">​</a></h2>
<ul>
<li>A server with a dual-core CPU and at least 2 GB of RAM.
This example uses <a href="https://www.hetzner.com/" target="_blank" rel="noopener noreferrer">Hetzner cloud</a> for hosting. Your deployment may vary.</li>
</ul>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="connect-to-your-remote-server-with-ssh">Connect to your remote server with SSH<a href="#connect-to-your-remote-server-with-ssh" class="hash-link" aria-label="Direct link to Connect to your remote server with SSH" title="Direct link to Connect to your remote server with SSH">​</a></h2>
<ol>
<li>
<p>Create an SSH key to connect to your server remotely.
For example:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>ssh-keygen -t ed25519 -C &quot;DANA@EXAMPLE.COM&quot;</span></div></div><br></code></div></div>
<p>Replace <code>DANA@EXAMPLE.COM</code> with the email address that you want to associate with the SSH key.</p>
</li>
<li>
<p>In your terminal, follow the instructions to create your SSH key pair.
This creates both a private and public key.
To copy the public key from your terminal, enter the following command:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>cat ~/Downloads/host-lf.pub | pbcopy</span></div></div><br></code></div></div>
</li>
<li>
<p>In your remote server, add the SSH key you copied in the previous step.
For example, if you are using a Hetzner cloud server, click <strong>Server</strong>, and then select <strong>SSH keys</strong> to add an SSH key.</p>
</li>
<li>
<p>To connect to your server with SSH, enter the following command.</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>ssh -i PATH_TO_PRIVATE_KEY/PRIVATE_KEY_NAME root@SERVER_IP_ADDRESS</span></div></div><br></code></div></div>
<p>Replace the following:</p>
<ul>
<li><code>PATH_TO_PRIVATE_KEY/PRIVATE_KEY_NAME</code>: The path to your private SSH key file that matches the public key you added to your server</li>
<li><code>SERVER_IP_ADDRESS</code>: Your server&#x27;s IP address</li>
</ul>
</li>
<li>
<p>When prompted for a key fingerprint, type <code>yes</code>.</p>
</li>
</ol>
<p>The terminal output indicates if the connection succeeds or fails.
The following response was returned after connecting to a Hetzner cloud server:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>System information as of Mon May 19 04:34:44 PM UTC 2025</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span></span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>System load: 0.0 Processes: 129</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Usage of /: 1.5% of 74.79GB Users logged in: 0</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Memory usage: 5% IPv4 address for eth0: 5.161.250.132</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Swap usage: 0% IPv6 address for eth0: 2a01:4ff:f0:4de7::1</span></div></div><br></code></div></div>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="deploy-langflow-on-your-server">Deploy Langflow on your server<a href="#deploy-langflow-on-your-server" class="hash-link" aria-label="Direct link to Deploy Langflow on your server" title="Direct link to Deploy Langflow on your server">​</a></h2>
<p>Now that your local machine is connected to your remote server with SSH, you can install Docker, create a <code>docker-compose.yml</code> file, and serve it publicly with a reverse proxy, such as Caddy.</p>
<ol>
<li>
<p>Install Docker on your server.</p>
<p>Since this example server is an Ubuntu server, it can install snap packages.
If you aren&#x27;t using Ubuntu or you prefer a different installation method, see the <a href="https://docs.docker.com/get-started/get-docker/" target="_blank" rel="noopener noreferrer">official Docker installation guide</a> for instructions for your operating system.</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>snap install docker</span></div></div><br></code></div></div>
</li>
<li>
<p>Create a file called <code>docker-compose.yml</code>, and then open it in a text editor:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>touch docker-compose.yml &amp;&amp; nano docker-compose.yml</span></div></div><br></code></div></div>
</li>
<li>
<p>Add the following values to <code>docker-compose.yml</code>, and then save the file.</p>
<p>The following example defines the Langflow service from the <code>langflow:latest</code> image and a Caddy service to expose Langflow through a reverse proxy.</p>
<div class="theme-admonition theme-admonition-tip admonition_xJq3 alert alert--success"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>tip</div><div class="admonitionContent_BuS1"><p>The <a href="https://github.com/datastax/host-langflow" target="_blank" rel="noopener noreferrer">host-langflow</a> repository offers pre-built copies of this <code>docker-compose.yml</code> and <code>Caddyfile</code>, if you prefer to fork the repository to your server.</p></div></div>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span>version: &quot;3.8&quot;</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span></span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span>services:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> langflow:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> image: langflowai/langflow:latest</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> ports:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - &quot;7860:7860&quot;</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> environment:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - LANGFLOW_HOST=0.0.0.0</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - LANGFLOW_PORT=7860</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span></span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> caddy:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> image: caddy:latest</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> ports:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - &quot;80:80&quot;</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - &quot;443:443&quot;</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> volumes:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - ./Caddyfile:/etc/caddy/Caddyfile</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - caddy_data:/data</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - caddy_config:/config</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> depends_on:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> - langflow</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span></span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span>volumes:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> caddy_data:</span></div></div><div><span class="ch-code-line-number">_<!-- -->26</span><div style="display:inline-block;margin-left:16px"><span> caddy_config:</span></div></div><br></code></div></div>
</li>
<li>
<p>Create a file called <code>Caddyfile</code>:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>touch Caddyfile &amp;&amp; nano Caddyfile</span></div></div><br></code></div></div>
</li>
<li>
<p>Add the following values to <code>Caddyfile</code>, and then save the file.</p>
<p>This Caddyfile configures Caddy to listen on port 80, and forward all incoming requests to port 80 to the Langflow service at port 7860.</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>:80 {</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> reverse_proxy langflow:7860</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>}</span></div></div><br></code></div></div>
</li>
<li>
<p>To deploy your server, run <code>docker-compose up</code>.</p>
<p>When the <code>Welcome to Langflow</code> message appears, Langflow is running and accessible internally at <code>http://0.0.0.0:7860</code> inside the Docker network.</p>
</li>
<li>
<p>To access your Langflow server over the public internet, navigate to your server&#x27;s public IP address, such as <code>http://5.161.250.132</code>.
This address uses HTTP because HTTPS isn&#x27;t enabled yet.</p>
</li>
<li>
<p>Recommended: Enable HTTPS:</p>
<ol>
<li>
<p>Modify your domain&#x27;s A record to point to your server&#x27;s IP address. For example:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Type: A</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Name: langflow</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>Value: 5.161.250.132 # Set to your server&#x27;s IP address</span></div></div><br></code></div></div>
</li>
<li>
<p>Stop your server.</p>
</li>
<li>
<p>Modify your Caddyfile to include port <code>443</code> so Caddy can forward both HTTP (port 80) and HTTPS (port 443) requests to the Langflow service:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>:80, :443 {</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> reverse_proxy langflow:7860</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>}</span></div></div><br></code></div></div>
</li>
<li>
<p>Start your server.</p>
<p>When users visit your domain, Caddy recognizes the incoming traffic and automatically routes it to your server with a secure, encrypted connection.</p>
</li>
</ol>
</li>
<li>
<p>To exit your SSH session, type <code>exit</code>.</p>
</li>
</ol>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="see-also">See also<a href="#see-also" class="hash-link" aria-label="Direct link to See also" title="Direct link to See also">​</a></h2>
<p>To package your local flows into a custom Docker image, see <a href="/develop-application">Containerize a Langflow application</a>.</p>
<p>For a step-by-step guide to deploying Langflow, including deployments to <a href="https://fly.io/" target="_blank" rel="noopener noreferrer">fly.io</a> and <a href="https://www.flightcontrol.dev/" target="_blank" rel="noopener noreferrer">Flightcontrol.dev</a>, see <a href="https://www.youtube.com/watch?v=q4qt5hSnte4" target="_blank" rel="noopener noreferrer">How to Host Langflow Anywhere</a>.</p></div></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/deployment-docker"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Langflow Docker images</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/deployment-architecture"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Deployment architecture</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="#prerequisites" class="table-of-contents__link toc-highlight">Prerequisites</a></li><li><a href="#connect-to-your-remote-server-with-ssh" class="table-of-contents__link toc-highlight">Connect to your remote server with SSH</a></li><li><a href="#deploy-langflow-on-your-server" class="table-of-contents__link toc-highlight">Deploy Langflow on your server</a></li><li><a href="#see-also" class="table-of-contents__link toc-highlight">See also</a></li></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer"><div class="container container-fluid"><div class="row footer__links"><div class="theme-layout-footer-column col footer__col"><div class="footer__title"></div><ul class="footer__items clean-list"><li class="footer__item"><div class="footer-links">
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