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<title>Architecture — SearXNG Documentation (2024.6.7+f5eb56b63)</title>
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<li class="nav-item nav-item-this"><a href="">Architecture</a></li>
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<section id="architecture">
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<span id="id1"></span><h1>Architecture<a class="headerlink" href="#architecture" title="Link to this heading">¶</a></h1>
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<aside class="sidebar">
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<p class="sidebar-title">Further reading</p>
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<ul class="simple">
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<li><p>Reverse Proxy: <a class="reference internal" href="installation-apache.html#apache-searxng-site"><span class="std std-ref">Apache</span></a> & <a class="reference internal" href="installation-nginx.html#nginx-searxng-site"><span class="std std-ref">nginx</span></a></p></li>
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<li><p>uWSGI: <a class="reference internal" href="installation-uwsgi.html#searxng-uwsgi"><span class="std std-ref">uWSGI</span></a></p></li>
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<li><p>SearXNG: <a class="reference internal" href="installation-searxng.html#installation-basic"><span class="std std-ref">Step by step installation</span></a></p></li>
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</ul>
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</aside>
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<p>Herein you will find some hints and suggestions about typical architectures of
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SearXNG infrastructures.</p>
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<section id="uwsgi-setup">
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<span id="architecture-uwsgi"></span><h2>uWSGI Setup<a class="headerlink" href="#uwsgi-setup" title="Link to this heading">¶</a></h2>
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<p>We start with a <em>reference</em> setup for public SearXNG instances which can be build
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up and maintained by the scripts from our <a class="reference internal" href="../utils/index.html#toolboxing"><span class="std std-ref">DevOps tooling box</span></a>.</p>
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<figure class="align-default" id="id2">
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<img alt="arch_public.dot" src="../_images/arch_public.svg" /><figcaption>
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<p><span class="caption-number">Fig. 2 </span><span class="caption-text">Reference architecture of a public SearXNG setup.</span><a class="headerlink" href="#id2" title="Link to this image">¶</a></p>
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</figcaption>
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</figure>
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<p>The reference installation activates <code class="docutils literal notranslate"><span class="pre">server.limiter</span></code>, <code class="docutils literal notranslate"><span class="pre">server.image_proxy</span></code>
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and <code class="docutils literal notranslate"><span class="pre">ui.static_use_hash</span></code> (<a class="reference external" href="https://github.com/searxng/searxng/blob/master/utils/templates/etc/searxng/settings.yml">/etc/searxng/settings.yml</a>)</p>
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<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="c1"># SearXNG settings</span>
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<span class="nt">use_default_settings</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span>
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<span class="nt">general</span><span class="p">:</span>
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<span class="w"> </span><span class="nt">debug</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">false</span>
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<span class="w"> </span><span class="nt">instance_name</span><span class="p">:</span><span class="w"> </span><span class="s">"SearXNG"</span>
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<span class="nt">search</span><span class="p">:</span>
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<span class="w"> </span><span class="nt">safe_search</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">2</span>
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<span class="w"> </span><span class="nt">autocomplete</span><span class="p">:</span><span class="w"> </span><span class="s">'duckduckgo'</span>
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<span class="nt">server</span><span class="p">:</span>
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<span class="w"> </span><span class="c1"># Is overwritten by ${SEARXNG_SECRET}</span>
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<span class="w"> </span><span class="nt">secret_key</span><span class="p">:</span><span class="w"> </span><span class="s">"ultrasecretkey"</span>
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<span class="w"> </span><span class="nt">limiter</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span>
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<span class="w"> </span><span class="nt">image_proxy</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span>
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<span class="w"> </span><span class="c1"># public URL of the instance, to ensure correct inbound links. Is overwritten</span>
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<span class="w"> </span><span class="c1"># by ${SEARXNG_URL}.</span>
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<span class="w"> </span><span class="c1"># base_url: http://example.com/location</span>
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<span class="nt">redis</span><span class="p">:</span>
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<span class="w"> </span><span class="c1"># URL to connect redis database. Is overwritten by ${SEARXNG_REDIS_URL}.</span>
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<span class="w"> </span><span class="nt">url</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">unix:///usr/local/searxng-redis/run/redis.sock?db=0</span>
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<span class="nt">ui</span><span class="p">:</span>
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<span class="w"> </span><span class="nt">static_use_hash</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span>
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</pre></div>
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</div>
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</section>
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</section>
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<img class="logo" src="../_static/searxng-wordmark.svg" alt="Logo"/>
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</a></p>
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<h3><a href="../index.html">Table of Contents</a></h3>
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<ul class="current">
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<li class="toctree-l1"><a class="reference internal" href="../user/index.html">User information</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../own-instance.html">Why use a private instance?</a></li>
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<li class="toctree-l1 current"><a class="reference internal" href="index.html">Administrator documentation</a><ul class="current">
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<li class="toctree-l2"><a class="reference internal" href="settings/index.html">Settings</a></li>
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<li class="toctree-l2"><a class="reference internal" href="installation.html">Installation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="installation-docker.html">Docker Container</a></li>
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<li class="toctree-l2"><a class="reference internal" href="installation-scripts.html">Installation Script</a></li>
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<li class="toctree-l2"><a class="reference internal" href="installation-searxng.html">Step by step installation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="installation-uwsgi.html">uWSGI</a></li>
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<li class="toctree-l2"><a class="reference internal" href="installation-nginx.html">NGINX</a></li>
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<li class="toctree-l2"><a class="reference internal" href="installation-apache.html">Apache</a></li>
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<li class="toctree-l2"><a class="reference internal" href="update-searxng.html">SearXNG maintenance</a></li>
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<li class="toctree-l2"><a class="reference internal" href="answer-captcha.html">Answer CAPTCHA from server’s IP</a></li>
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<li class="toctree-l2"><a class="reference internal" href="searx.limiter.html">Limiter</a></li>
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<li class="toctree-l2"><a class="reference internal" href="api.html">Administration API</a></li>
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<li class="toctree-l2 current"><a class="current reference internal" href="#">Architecture</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#uwsgi-setup">uWSGI Setup</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="plugins.html">Plugins builtin</a></li>
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<li class="toctree-l2"><a class="reference internal" href="buildhosts.html">Buildhosts</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="../dev/index.html">Developer documentation</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../utils/index.html">DevOps tooling box</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../src/index.html">Source-Code</a></li>
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</ul>
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<h3>Project Links</h3>
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<ul>
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<li><a href="https://github.com/searxng/searxng/tree/master">Source</a>
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<li><a href="https://github.com/searxng/searxng/wiki">Wiki</a>
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<li><a href="https://searx.space">Public instances</a>
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<li><a href="https://github.com/searxng/searxng/issues">Issue Tracker</a>
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</ul><h3>Navigation</h3>
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<ul>
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<li><a href="../index.html">Overview</a>
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<ul>
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<li><a href="index.html">Administrator documentation</a>
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<ul>
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<li>Previous: <a href="api.html" title="previous chapter">Administration API</a>
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<li>Next: <a href="plugins.html" title="next chapter">Plugins builtin</a></ul>
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</ul>
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<h3 id="searchlabel">Quick search</h3>
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<input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
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<input type="submit" value="Go" />
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<h3>This Page</h3>
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