add in /etc/nginx/sites-available/run.fairmeeting.net.conf the websocket proxy wit the IP of thebridge manually (automatic assignment seems not to work).
\ No newline at end of file
Use jvb's IP address for server-id - this will allow proxy in /etc/nginx/sites-available/run.fairmeeting.net.conf to proxy the client via websocket directly to the IP of the bridge so that the bridge can ask directly the web browser on the health.