Currently, when you deploy Wookie using a proxy/vhost you edit widgetserver.properties with the scheme/host/port info to use.
However, when Wookie is deployed using Rave, you may use environment variables to configure Shindig:
However you still have to configure Wookie separately.
However we could do the config check in the following order:
3. Check for shindig environment variables
2. Check for environment variables (widget.server.hostname etc)
1. Check widgetserver.properties as usual