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<section id="local-search-apis">
<h1>Local Search APIs<a class="headerlink" href="#local-search-apis" title="Link to this heading">¶</a></h1>
<aside class="sidebar">
<p class="sidebar-title">further read</p>
<ul class="simple">
<li><p><a class="reference external" href="https://docs.meilisearch.com/learn/what_is_meilisearch/comparison_to_alternatives.html">Comparison to alternatives</a></p></li>
</ul>
</aside>
<nav class="contents local" id="contents">
<ul class="simple">
<li><p><a class="reference internal" href="#module-searx.engines.meilisearch" id="id6">MeiliSearch</a></p></li>
<li><p><a class="reference internal" href="#module-searx.engines.elasticsearch" id="id7">Elasticsearch</a></p></li>
<li><p><a class="reference internal" href="#module-searx.engines.solr" id="id8">Solr</a></p></li>
</ul>
</nav>
<aside class="sidebar">
<p class="sidebar-title">info</p>
<p>Initial sponsored by <a class="reference external" href="https://nlnet.nl/discovery">Search and Discovery Fund</a> of <a class="reference external" href="https://nlnet.nl/">NLnet Foundation</a>.</p>
</aside>
<p>Administrators might find themselves wanting to integrate locally running search
engines. The following ones are supported for now:</p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.elastic.co/elasticsearch/">Elasticsearch</a></p></li>
<li><p><a class="reference external" href="https://www.meilisearch.com">Meilisearch</a></p></li>
<li><p><a class="reference external" href="https://solr.apache.org">Solr</a></p></li>
</ul>
<p>Each search engine is powerful, capable of full-text search. All of the engines
above are added to <code class="docutils literal notranslate"><span class="pre">settings.yml</span></code> just commented out, as you have to
<code class="docutils literal notranslate"><span class="pre">base_url</span></code> for all them.</p>
<p>Please note that if you are not using HTTPS to access these engines, you have to
enable HTTP requests by setting <code class="docutils literal notranslate"><span class="pre">enable_http</span></code> to <code class="docutils literal notranslate"><span class="pre">True</span></code>.</p>
<p>Furthermore, if you do not want to expose these engines on a public instance,
you can still add them and limit the access by setting <code class="docutils literal notranslate"><span class="pre">tokens</span></code> as described
in section <a class="reference internal" href="../../../admin/settings/settings_engine.html#private-engines"><span class="std std-ref">Private Engines (tokens)</span></a>.</p>
<section id="module-searx.engines.meilisearch">
<span id="meilisearch"></span><span id="engine-meilisearch"></span><h2><a class="toc-backref" href="#id6" role="doc-backlink">MeiliSearch</a><a class="headerlink" href="#module-searx.engines.meilisearch" title="Link to this heading">¶</a></h2>
<aside class="sidebar">
<p class="sidebar-title">info</p>
<ul class="simple">
<li><p><a class="reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/meilisearch.py">meilisearch.py</a></p></li>
<li><p><a class="reference external" href="https://www.meilisearch.com">MeiliSearch</a></p></li>
<li><p><a class="reference external" href="https://docs.meilisearch.com/">MeiliSearch Documentation</a></p></li>
<li><p><a class="reference external" href="https://docs.meilisearch.com/learn/getting_started/installation.html">Install MeiliSearch</a></p></li>
</ul>
</aside>
<p><a class="reference external" href="https://www.meilisearch.com">MeiliSearch</a> is aimed at individuals and small companies. It is designed for
small-scale (less than 10 million documents) data collections. E.g. it is great
for storing web pages you have visited and searching in the contents later.</p>
<p>The engine supports faceted search, so you can search in a subset of documents
of the collection. Furthermore, you can search in <a class="reference external" href="https://www.meilisearch.com">MeiliSearch</a> instances that
require authentication by setting <code class="docutils literal notranslate"><span class="pre">auth_token</span></code>.</p>
<section id="example">
<h3>Example<a class="headerlink" href="#example" title="Link to this heading">¶</a></h3>
<p>Here is a simple example to query a Meilisearch instance:</p>
<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">meilisearch</span>
<span class="w"> </span><span class="nt">engine</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">meilisearch</span>
<span class="w"> </span><span class="nt">shortcut</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">mes</span>
<span class="w"> </span><span class="nt">base_url</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">http://localhost:7700</span>
<span class="w"> </span><span class="nt">index</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">my-index</span>
<span class="w"> </span><span class="nt">enable_http</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span>
</pre></div>
</div>
</section>
</section>
<section id="module-searx.engines.elasticsearch">
<span id="elasticsearch"></span><span id="engine-elasticsearch"></span><h2><a class="toc-backref" href="#id7" role="doc-backlink">Elasticsearch</a><a class="headerlink" href="#module-searx.engines.elasticsearch" title="Link to this heading">¶</a></h2>
<aside class="sidebar">
<p class="sidebar-title">info</p>
<ul class="simple">
<li><p><a class="reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/elasticsearch.py">elasticsearch.py</a></p></li>
<li><p><a class="reference external" href="https://www.elastic.co/elasticsearch/">Elasticsearch</a></p></li>
<li><p><a class="reference external" href="https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html">Elasticsearch Guide</a></p></li>
<li><p><a class="reference external" href="https://www.elastic.co/guide/en/elasticsearch/reference/current/install-elasticsearch.html">Install Elasticsearch</a></p></li>
</ul>
</aside>
<p><a class="reference external" href="https://www.elastic.co/elasticsearch/">Elasticsearch</a> supports numerous ways to query the data it is storing. At the
moment the engine supports the most popular search methods (<code class="docutils literal notranslate"><span class="pre">query_type</span></code>):</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">match</span></code>,</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">simple_query_string</span></code>,</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">term</span></code> and</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">terms</span></code>.</p></li>
</ul>
<p>If none of the methods fit your use case, you can select <code class="docutils literal notranslate"><span class="pre">custom</span></code> query type
and provide the JSON payload to submit to Elasticsearch in
<code class="docutils literal notranslate"><span class="pre">custom_query_json</span></code>.</p>
<section id="id3">
<h3>Example<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h3>
<p>The following is an example configuration for an <a class="reference external" href="https://www.elastic.co/elasticsearch/">Elasticsearch</a> instance with
authentication configured to read from <code class="docutils literal notranslate"><span class="pre">my-index</span></code> index.</p>
<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">elasticsearch</span>
<span class="w"> </span><span class="nt">shortcut</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">es</span>
<span class="w"> </span><span class="nt">engine</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">elasticsearch</span>
<span class="w"> </span><span class="nt">base_url</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">http://localhost:9200</span>
<span class="w"> </span><span class="nt">username</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">elastic</span>
<span class="w"> </span><span class="nt">password</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">changeme</span>
<span class="w"> </span><span class="nt">index</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">my-index</span>
<span class="w"> </span><span class="nt">query_type</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">match</span>
<span class="w"> </span><span class="c1"># custom_query_json: '{ ... }'</span>
<span class="w"> </span><span class="nt">enable_http</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span>
</pre></div>
</div>
</section>
</section>
<section id="module-searx.engines.solr">
<span id="solr"></span><span id="engine-solr"></span><h2><a class="toc-backref" href="#id8" role="doc-backlink">Solr</a><a class="headerlink" href="#module-searx.engines.solr" title="Link to this heading">¶</a></h2>
<aside class="sidebar">
<p class="sidebar-title">info</p>
<ul class="simple">
<li><p><a class="reference external" href="https://github.com/searxng/searxng/blob/master/searx/engines/solr.py">solr.py</a></p></li>
<li><p><a class="reference external" href="https://solr.apache.org">Solr</a></p></li>
<li><p><a class="reference external" href="https://solr.apache.org/resources.html">Solr Resources</a></p></li>
<li><p><a class="reference external" href="https://solr.apache.org/guide/installing-solr.html">Install Solr</a></p></li>
</ul>
</aside>
<p><a class="reference external" href="https://solr.apache.org">Solr</a> is a popular search engine based on Lucene, just like <a class="reference external" href="https://www.elastic.co/elasticsearch/">Elasticsearch</a>. But
instead of searching in indices, you can search in collections.</p>
<section id="id5">
<h3>Example<a class="headerlink" href="#id5" title="Link to this heading">¶</a></h3>
<p>This is an example configuration for searching in the collection
<code class="docutils literal notranslate"><span class="pre">my-collection</span></code> and get the results in ascending order.</p>
<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="p p-Indicator">-</span><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">solr</span>
<span class="w"> </span><span class="nt">engine</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">solr</span>
<span class="w"> </span><span class="nt">shortcut</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">slr</span>
<span class="w"> </span><span class="nt">base_url</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">http://localhost:8983</span>
<span class="w"> </span><span class="nt">collection</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">my-collection</span>
<span class="w"> </span><span class="nt">sort</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">asc</span>
<span class="w"> </span><span class="nt">enable_http</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">true</span>
</pre></div>
</div>
</section>
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