Notes
How to use WebSokets with Apache Proxy
# Proxy WebSocket requests to /stream
ProxyPass /stream ws://127.0.0.1:56488/stream retry=0 timeout=5
# Proxy all other requests requests to /
ProxyPass / http://127.0.0.1:56488/ retry=0 timeout=5
ProxyPassReverse / http://127.0.0.1:56488/
from https://github.com/phusion/passenger/issues/1202#issuecomment-1263918748