sovereign/roles/rocketchat/templates/etc_apache2_sites-available...

<VirtualHost *:80>
    ServerName {{ rocketchat_subdomain }}.{{ item.name }}

    Redirect temp / https://{{ rocketchat_subdomain }}.{{ item.name }}/
</VirtualHost>

<VirtualHost *:443>
    ServerName {{ rocketchat_subdomain }}.{{ item.name }}

    SSLEngine               On
    Options                 -Indexes
    HostnameLookups         Off
    LogLevel                warn
    ErrorLog                /var/log/apache2/rocketchat.info-error_log
    CustomLog               /var/log/apache2/rocketchat.info-access_log common


    RewriteEngine On
    RewriteCond %{HTTP:CONNECTION} Upgrade [NC]
    RewriteCond %{HTTP:Upgrade} =websocket [NC]
    RewriteRule /(.*)           ws://localhost:{{ rocketchat_internal_port }}/$1 [P,L]
    RewriteCond %{HTTP:Upgrade} !=websocket [NC]
    RewriteRule /(.*)           http://localhost:{{ rocketchat_internal_port }}/$1 [P,L]

    ProxyRequests           Off
    ProxyPreserveHost       On
    ProxyPass               / http://localhost:{{ rocketchat_internal_port }}/
    ProxyPassReverse        / http://localhost:{{ rocketchat_internal_port }}/
</VirtualHost>