openproject/docker/prod/proxy.conf.erb

<% server_name = ENV.fetch("SERVER_NAME") { "_default_" } %>
<% unless server_name == "_default_" %>
<VirtualHost *:80>
  ServerName _default_
  DocumentRoot /var/www/html
</VirtualHost>
<% end %>

<VirtualHost *:80>
  ServerName <%= server_name %>
  DocumentRoot <%= ENV.fetch("APP_PATH") %>/public

  ProxyRequests off
  ProxyPreserveHost On

  <% location = ENV.fetch("OPENPROJECT_RAILS__RELATIVE__URL__ROOT", "").chomp("/") %>
  <Location <%= location == "" ? "/" : location %>>
    ProxyPass http://<%= ENV.fetch("APP_HOST", "127.0.0.1") %>:8080<%= location %>/ retry=0
    ProxyPassReverse http://<%= ENV.fetch("APP_HOST", "127.0.0.1") %>:8080<%= location %>/
  </Location>

  <Location /hocuspocus>
    ProxyPass http://<%= ENV.fetch("APP_HOST", "127.0.0.1") %>:1234/ upgrade=websocket
    ProxyPassReverse http://<%= ENV.fetch("APP_HOST", "127.0.0.1") %>:1234/
  </Location>
</VirtualHost>