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<!-- -->
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<p>The <a href="https://github.com/langflow-ai/langflow-helm-charts/tree/main/charts/langflow-ide" target="_blank" rel="noopener noreferrer">Langflow Integrated Development Environment (IDE)</a> Helm chart is designed to provide a complete environment for developers to create, test, and debug their flows. It includes both the API and the UI.</p>
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<h3 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></h3>
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<ul>
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<li>A <a href="https://kubernetes.io/docs/setup/" target="_blank" rel="noopener noreferrer">Kubernetes</a> cluster</li>
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<li><a href="https://kubernetes.io/docs/tasks/tools/#kubectl" target="_blank" rel="noopener noreferrer">kubectl</a></li>
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<li><a href="https://helm.sh/docs/intro/install/" target="_blank" rel="noopener noreferrer">Helm</a></li>
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</ul>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="prepare-a-kubernetes-cluster">Prepare a Kubernetes cluster<a href="#prepare-a-kubernetes-cluster" class="hash-link" aria-label="Direct link to Prepare a Kubernetes cluster" title="Direct link to Prepare a Kubernetes cluster"></a></h3>
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<p>This example uses <a href="https://minikube.sigs.k8s.io/docs/start/" target="_blank" rel="noopener noreferrer">Minikube</a>, but you can use any Kubernetes cluster.</p>
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<ol>
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<li>
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<p>Create a Kubernetes cluster on Minikube.</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>minikube start</span></div></div><br></code></div></div>
|
||
</li>
|
||
<li>
|
||
<p>Set <code>kubectl</code> to use Minikube.</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>kubectl config use-context minikube</span></div></div><br></code></div></div>
|
||
</li>
|
||
</ol>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="install-the-langflow-ide-helm-chart">Install the Langflow IDE Helm chart<a href="#install-the-langflow-ide-helm-chart" class="hash-link" aria-label="Direct link to Install the Langflow IDE Helm chart" title="Direct link to Install the Langflow IDE Helm chart"></a></h3>
|
||
<ol>
|
||
<li>
|
||
<p>Add the repository to Helm and update it.</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>helm repo add langflow https://langflow-ai.github.io/langflow-helm-charts</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>helm repo update</span></div></div><br></code></div></div>
|
||
</li>
|
||
<li>
|
||
<p>Install Langflow with the default options in the <code>langflow</code> namespace.</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>helm install langflow-ide langflow/langflow-ide -n langflow --create-namespace</span></div></div><br></code></div></div>
|
||
</li>
|
||
<li>
|
||
<p>Check the status of the pods.</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>kubectl get pods -n langflow</span></div></div><br></code></div></div>
|
||
</li>
|
||
</ol>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="access-the-langflow-ide">Access the Langflow IDE<a href="#access-the-langflow-ide" class="hash-link" aria-label="Direct link to Access the Langflow IDE" title="Direct link to Access the Langflow IDE"></a></h3>
|
||
<p>Enable local port forwarding to access Langflow from your local machine.</p>
|
||
<ol>
|
||
<li>To make the Langflow API accessible from your local machine at port 7860:</li>
|
||
</ol>
|
||
<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>kubectl port-forward -n langflow svc/langflow-service-backend 7860:7860</span></div></div><br></code></div></div>
|
||
<ol start="2">
|
||
<li>To make the Langflow UI accessible from your local machine at port 8080:</li>
|
||
</ol>
|
||
<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>kubectl port-forward -n langflow svc/langflow-service 8080:8080</span></div></div><br></code></div></div>
|
||
<p>Now you can do the following:</p>
|
||
<ul>
|
||
<li>Access the Langflow API at <code>http://localhost:7860</code>.</li>
|
||
<li>Access the Langflow UI at <code>http://localhost:8080</code>.</li>
|
||
</ul>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="configure-the-langflow-version">Configure the Langflow version<a href="#configure-the-langflow-version" class="hash-link" aria-label="Direct link to Configure the Langflow version" title="Direct link to Configure the Langflow version"></a></h3>
|
||
<p>Langflow is deployed with the <code>latest</code> version by default.</p>
|
||
<p>To specify a different Langflow version, set the <code>langflow.backend.image.tag</code> and <code>langflow.frontend.image.tag</code> values in the <a href="https://github.com/langflow-ai/langflow-helm-charts/blob/main/charts/langflow-ide/values.yaml" target="_blank" rel="noopener noreferrer">values.yaml</a> file.</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>langflow:</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> backend:</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> image:</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> tag: "1.0.0a59"</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> frontend:</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> image:</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> tag: "1.0.0a59"</span></div></div><br></code></div></div>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="configure-external-storage">Configure external storage<a href="#configure-external-storage" class="hash-link" aria-label="Direct link to Configure external storage" title="Direct link to Configure external storage"></a></h3>
|
||
<p>By default, the chart deploys a SQLite database stored in a local persistent disk. If you want to use an external PostgreSQL database, you can configure it in two ways:</p>
|
||
<ul>
|
||
<li>Use the built-in PostgreSQL chart:</li>
|
||
</ul>
|
||
<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>postgresql:</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> enabled: true</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> auth:</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> username: "langflow"</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> password: "langflow-postgres"</span></div></div><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span> database: "langflow-db"</span></div></div><br></code></div></div>
|
||
<ul>
|
||
<li>Use an external database:</li>
|
||
</ul>
|
||
<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">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span>postgresql:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> enabled: false</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span></span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span>langflow:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> backend:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> externalDatabase:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> enabled: true</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> driver:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> value: "postgresql"</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> port:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> value: "5432"</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> user:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> value: "langflow"</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> password:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> valueFrom:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> secretKeyRef:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> key: "password"</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> name: "your-secret-name"</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> database:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> value: "langflow-db"</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> sqlite:</span></div></div><div><span class="ch-code-line-number">_<!-- -->22</span><div style="display:inline-block;margin-left:16px"><span> enabled: false</span></div></div><br></code></div></div>
|
||
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="configure-scaling">Configure scaling<a href="#configure-scaling" class="hash-link" aria-label="Direct link to Configure scaling" title="Direct link to Configure scaling"></a></h3>
|
||
<p>Scale the number of replicas and resources for both frontend and backend services:</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">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span>langflow:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> backend:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> replicaCount: 1</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> resources:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> requests:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> cpu: 0.5</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> memory: 1Gi</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> # limits:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> # cpu: 0.5</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> # memory: 1Gi</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span></span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> frontend:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> enabled: true</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> replicaCount: 1</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> resources:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> requests:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> cpu: 0.3</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> memory: 512Mi</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> # limits:</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> # cpu: 0.3</span></div></div><div><span class="ch-code-line-number">_<!-- -->21</span><div style="display:inline-block;margin-left:16px"><span> # memory: 512Mi</span></div></div><br></code></div></div>
|
||
<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>If your flow relies on a shared state, such as built-in chat memory, you need to set up a shared database when scaling horizontally.</p></div></div>
|
||
<p>For more examples of <code>langflow-ide</code> deployment, see the <a href="https://github.com/langflow-ai/langflow-helm-charts/tree/main/examples/langflow-ide" target="_blank" rel="noopener noreferrer">Langflow Helm Charts repository</a>.</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-prod-best-practices"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Langflow architecture and best practices</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/deployment-kubernetes-prod"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Deploy in production</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="#prepare-a-kubernetes-cluster" class="table-of-contents__link toc-highlight">Prepare a Kubernetes cluster</a></li><li><a href="#install-the-langflow-ide-helm-chart" class="table-of-contents__link toc-highlight">Install the Langflow IDE Helm chart</a></li><li><a href="#access-the-langflow-ide" class="table-of-contents__link toc-highlight">Access the Langflow IDE</a></li><li><a href="#configure-the-langflow-version" class="table-of-contents__link toc-highlight">Configure the Langflow version</a></li><li><a href="#configure-external-storage" class="table-of-contents__link toc-highlight">Configure external storage</a></li><li><a href="#configure-scaling" class="table-of-contents__link toc-highlight">Configure scaling</a></li></ul></div></div></div></div></main></div></div></div><footer class="footer"><div class="container container-fluid"><div class="row footer__links"><div class="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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|
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