CentOS 7 : Nginx : Reverse Proxy Settings#2 : Server World
Using multiple nodes | Socket.IO
Scaling Real-time Apps on Cloud Foundry Using Node.js and RabbitMQ
GitHub - asaldivar/cluster-socket.io-mysql-nginx-redis: Live stream starter kit that uses socket.io, redis as a pub/sub and cache, mysql, and nginx as a load-balancing proxy.
Proxy Websockets and HTTP through the same location in Nginx - Server Fault