Set your reverse proxy to serve www/ statically.
Edit config.js to specify the parameters of the node (api) server, and 
point it to the backend (rtbwpy)
Set your reverse proxy to pass config.BASE_URL* to the node server (make 
sure websockets are sent too)
Edit www/js/client.js to point to the correct api location.
Start the backend (rtbwpy) in daemon mode.
Start the node server