/add-websockets-railway

Implement WebSockets using Socket.io on Railway. Set up Socket.io server integrated with Express application. Configure CORS for WebSocket connections. Create client connection hooks with React. Implement room-based messaging for grouped communication. Add user authentication for WebSocket connections using JWT. Handle connection and disconnection events. Implement reconnection logic with exponential backoff. Add heartbeat/ping-pong for connection health monitoring. Create message broadcasting and private messaging. Provide examples: real-time chat, live updates, notifications. Handle scaling with Redis adapter for multiple server instances. Reference devops-railway-agent for Railway deployment. Test WebSocket functionality in production environment.