This will allow this web UI to sit nicely behind a reverse proxy.
Dynamically set the ports used for the
- VNC service
- noVNC service
- Pulseaudio socket
- VNC audio transport websocket
Remove all mentions of the above used ports in the Dockerfile.
The current supervisor.d configs are configured specifically for a particular supervisor version / installation.
This decouples the configuration so we can use it on any distro.
