IAC-1186 issue

vhost.pp

  $hostname = 'service.example.com'

  apache::vhost { $hostname:
    port              => 443,
    docroot           => "${dashboard_path}/public",
    # [...]
  }

  apache::vhost { "${hostname}:5556":
    servername        => $hostname,
    port              => 5556,
    docroot           => '/var/empty',
    proxy_pass        => [
      {
        path => '/',
        url  => 'ws://localhost:5556/',
      },
    ],
    # [...]
  }