home-assistant.github.io/docs/ecosystem/apache/index.html
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<h1 class="title indent">
Apache Proxy
</h1>
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<hr class="divider">
<p>This example demonstrates how you can configure Apache to act as a proxy for Home Assistant.</p>
<p>This is useful if you want to have:</p>
<ul>
<li>a subdomain redirecting to your Home Assistant instance</li>
<li>several subdomain for several instance</li>
<li>HTTPS redirection</li>
</ul>
<h4><a class="title-link" name="subdomain" href="#subdomain"></a> Subdomain</h4>
<p>So you already have a working Apache server available at example.org. Your Home Assistant is correctly working on this web server and available at http://localhost:8123</p>
<p>Enable <a href="https://httpd.apache.org/docs/2.4/mod/mod_proxy_wstunnel.html"><code class="highlighter-rouge">mod_proxy_wstunnel</code></a> by running if you encounter issues while serving Home Assistant through your proxy:</p>
<div class="language-bash highlighter-rouge"><pre class="highlight"><code><span class="gp">$ </span>sudo a2enmod proxy_wstunnel
</code></pre>
</div>
<p>To be able to access to your Home Assistant instance by using https://home.example.org, add to following file to <code class="highlighter-rouge">/etc/httpd/conf/extra/</code> as <code class="highlighter-rouge">hass.conf</code></p>
<div class="language-text highlighter-rouge"><pre class="highlight"><code>&lt;VirtualHost *:443&gt;
ServerName home.example.org
ProxyPreserveHost On
ProxyRequests off
ProxyPass / http://localhost:8123/
ProxyPassReverse / http://localhost:8123/
ProxyPass /api/websocket ws://localhost:8123/api/websocket
ProxyPassReverse /api/websocket ws://localhost:8123/api/websocket
RewriteEngine on
RewriteCond %{HTTP:Upgrade} =websocket [NC]
RewriteRule /(.*) ws://localhost:8123/$1 [P,L]
RewriteCond %{HTTP:Upgrade} !=websocket [NC]
RewriteRule /(.*) http://localhost:8123/$1 [P,L]
&lt;/VirtualHost&gt;
</code></pre>
</div>
<p>and make sure that this file is read by Apaches main configuration file <code class="highlighter-rouge">/etc/httpd/conf/httpd.conf</code></p>
<div class="language-text highlighter-rouge"><pre class="highlight"><code>...
Include conf/extra/hass.conf
...
</code></pre>
</div>
<p>If you dont want HTTPS, you can change <code class="highlighter-rouge">&lt;VirtualHost *:443&gt;</code> to <code class="highlighter-rouge">&lt;VirtualHost *:80&gt;</code> or better consider redirecting all HTTP to HTTPS.</p>
<p class="note">
In case you are getting occasional HTTP 504 error messages (“Gateway Timeout”) or HTTP 502 messages (“Bad Gateway”) when accessing the Web UI through your proxy, try adding disablereuse=on to both ProxyPass directives:
</p>
<div class="language-text highlighter-rouge"><pre class="highlight"><code>&lt;VirtualHost *:443&gt;
[...]
ProxyPass /api/websocket ws://localhost:8123/api/websocket disablereuse=on
[...]
ProxyPass / http://localhost:8123/ disablereuse=on
[...]
&lt;/VirtualHost&gt;
</code></pre>
</div>
<h4><a class="title-link" name="multiple-instance" href="#multiple-instance"></a> Multiple Instance</h4>
<p>You already have Home Assistant running on http://localhost:8123 and available at home.example.org as describe before. The configuration file for this Home Assistant is available in <code class="highlighter-rouge">/home/alice/.homeassistant/configuration.yaml</code></p>
<p>You want another instance available at https://countryside.example.org</p>
<p>You can either :</p>
<ul>
<li>Create a new user, <code class="highlighter-rouge">bob</code>, to hold the configuration file in <code class="highlighter-rouge">/home/bob/.homeassistant/configuration.yaml</code> and run Home Assistant as this new user</li>
<li>Create another configuration directory in <code class="highlighter-rouge">/home/alice/.homeassistan2/configuration.yaml</code> and run Home Assistant using <code class="highlighter-rouge">hass --config /home/alice/.homeassistant2/</code></li>
</ul>
<p>In both solution, change port number used by modifying <code class="highlighter-rouge">configuration.yaml</code></p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="s">http</span><span class="pi">:</span>
<span class="s">server_port</span><span class="pi">:</span> <span class="s">8124</span>
<span class="s">...</span>
</code></pre>
</div>
<p>Start Home Assistant: Now, you have another instance running on http://localhost:8124</p>
<p>To access this instance by using https://countryside.example.org add to <code class="highlighter-rouge">/etc/httpd/conf/extra/hass.conf</code></p>
<div class="language-text highlighter-rouge"><pre class="highlight"><code>&lt;VirtualHost *:443&gt;
ProxyPreserveHost On
ProxyRequests Off
ServerName countryside.example.org
ProxyPass /api/websocket ws://localhost:8123/api/websocket
ProxyPassReverse /api/websocket ws://localhost:8123/api/websocket
ProxyPass / http://localhost:8124/
ProxyPassReverse / http://localhost:8124/
&lt;/VirtualHost&gt;
</code></pre>
</div>
<h4><a class="title-link" name="http-to-https-redirection" href="#http-to-https-redirection"></a> HTTP to HTTPS redirection</h4>
<p>Add to your <code class="highlighter-rouge">/etc/httpd/conf/extra/hass.conf</code></p>
<div class="language-text highlighter-rouge"><pre class="highlight"><code>&lt;VirtualHost *:80&gt;
ServerName example.org
ServerSignature Off
RewriteEngine on
RewriteCond %{HTTPS} !=on
RewriteRule .* https://%{SERVER_NAME}%{REQUEST_URI} [NE,R,L]
&lt;/VirtualHost&gt;
</code></pre>
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