{ lib, phpbb, gnused }:
rec {
  varDir = "/var/lib/phpbb";
  activationScript = {
    deps = [ "wrappers" ];
    text = ''
      if [ ! -d ${varDir} ]; then
        install -m 0755 -o ${apache.user} -g ${apache.user} -d ${varDir}
        cp -a ${phpbb}/vars/* ${varDir}
        chown -R ${apache.user}:${apache.user} ${varDir}
      fi
      install -m 0750 -o ${apache.user} -g ${apache.group} -d ${varDir}/phpSessions
    '';
  };
  webRoot = phpbb;
  apache = rec {
    user = "wwwrun";
    group = "wwwrun";
    modules = [ "proxy_fcgi" ];
    root = webRoot;
    vhostConf = socket: ''
      Alias /forum "${root}"
      <Directory "${root}">
        DirectoryIndex index.php
        <FilesMatch "\.php$">
          SetHandler "proxy:unix:${socket}|fcgi://localhost"
        </FilesMatch>

        AllowOverride All
        Options FollowSymlinks
        Require all granted
      </Directory>
      # add instal to the list after install
      <LocationMatch "^/(cache|files|install|store)>
        Require all denied
      </LocationMatch>
    '';
  };
  phpFpm = rec {
    serviceDeps = [ "postgresql.service" ];
    basedir = builtins.concatStringsSep ":" [ "/run/wrappers/bin/sendmail" phpbb varDir ];
    pool = {
      "listen.owner" = apache.user;
      "listen.group" = apache.group;
      "pm" = "ondemand";
      "pm.max_children" = "60";
      "pm.process_idle_timeout" = "60";

          # Needed to avoid clashes in browser cookies (same domain)
      "php_value[session.name]" = "PhpBBPHPSESSID";
      "php_admin_value[open_basedir]" = "${basedir}:/tmp";
      "php_admin_value[session.save_path]" = "${varDir}/phpSessions";
    };
  };
}