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</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 id="__docusaurus" class="postHeaderTitle">Installation</h1></header><article><div><span><p><strong>diagrams</strong> requires <strong>Python 3.7</strong> or higher, check your Python version first.</p>
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<p><strong>diagrams</strong> uses <a href="https://www.graphviz.org/">Graphviz</a> to render the diagram, so you need to <a href="https://graphviz.gitlab.io/download/">install Graphviz</a> to use it.</p>
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<blockquote>
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<p>macOS users using <a href="https://brew.sh">Homebrew</a> can install Graphviz via <code>brew install graphviz</code> . Similarly, Windows users with <a href="https://chocolatey.org">Chocolatey</a> installed can run <code>choco install graphviz</code>.</p>
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</blockquote>
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<p>After installing Graphviz (or if you already have it), install <strong>diagrams</strong>:</p>
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<pre><code class="hljs css language-shell"><span class="hljs-meta">#</span><span class="bash"> using pip (pip3)</span>
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<span class="hljs-meta">$</span><span class="bash"> pip install diagrams</span>
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<span class="hljs-meta">
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#</span><span class="bash"> using pipenv</span>
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<span class="hljs-meta">$</span><span class="bash"> pipenv install diagrams</span>
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<span class="hljs-meta">
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#</span><span class="bash"> using poetry</span>
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<span class="hljs-meta">$</span><span class="bash"> poetry add diagrams</span>
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</code></pre>
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<h2><a class="anchor" aria-hidden="true" id="quick-start"></a><a href="#quick-start" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Quick Start</h2>
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<pre><code class="hljs css language-python"><span class="hljs-comment"># diagram.py</span>
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<span class="hljs-keyword">from</span> diagrams <span class="hljs-keyword">import</span> Diagram
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<span class="hljs-keyword">from</span> diagrams.aws.compute <span class="hljs-keyword">import</span> EC2
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<span class="hljs-keyword">from</span> diagrams.aws.database <span class="hljs-keyword">import</span> RDS
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<span class="hljs-keyword">from</span> diagrams.aws.network <span class="hljs-keyword">import</span> ELB
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<span class="hljs-keyword">with</span> Diagram(<span class="hljs-string">"Web Service"</span>, show=<span class="hljs-literal">False</span>):
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ELB(<span class="hljs-string">"lb"</span>) >> EC2(<span class="hljs-string">"web"</span>) >> RDS(<span class="hljs-string">"userdb"</span>)
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</code></pre>
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<p>To generate the diagram, run:</p>
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<pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> python diagram.py</span>
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</code></pre>
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<p>This generates the diagram below:</p>
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<p><img src="/img/web_service_diagram.png" alt="web service diagram"></p>
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<p>It will be saved as <code>web_service.png</code> in your working directory.</p>
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<h2><a class="anchor" aria-hidden="true" id="next"></a><a href="#next" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Next</h2>
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<p>See more <a href="/docs/getting-started/examples">Examples</a> or see the <a href="/docs/guides/diagram">Guides</a> page for more details.</p>
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</span></div></article></div><div class="docLastUpdate"><em>Last updated on 9/25/2024</em></div><div class="docs-prevnext"><a class="docs-next button" href="/docs/getting-started/examples"><span>Examples</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#quick-start">Quick Start</a></li><li><a href="#next">Next</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/diagrams.ico" alt="Diagrams" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/getting-started/installation">Getting Started</a><a href="/docs/guides/diagram">Guides</a><a href="/docs/nodes/aws">Nodes</a></div><div><h5>More</h5><iframe src="https://ghbtns.com/github-btn.html?user=mingrammer&repo=diagrams&type=star&count=true&size=large" frameBorder="0" scrolling="0" width="170" height="30" title="Star mingrammer/diagrams on GitHub"></iframe></div></section><section class="copyright">Copyright © 2025 mingrammer</section></footer></div></body></html> |
