Socket.io can't handle many connections you're right. I would use (universal) Web Sockets (This is a good abstraction library, very easy to implement). https:/

Socket.io can't handle many connections you're right. I would use (universal) Web Sockets (This is a good abstraction library, very easy to implement). https://github.com/primus/primus https://github.com/primus/primus Maybe put it on a Digitalocean Server and just reference your Dyno's IP address if possible.