Managing User Connections with Sticky Sessions in Phoenix on Fly.io

The article explores an implementation in Phoenix for optimizing viewer connections to a streaming server by utilizing Fly.io's fly-replay header. Instead of broadcasting a stream across multiple nodes, the approach focuses on maintaining a single connection point for users by redirecting them to the server of the content creator. It presents a Plug module that manages the routing of connections, ensuring users are consistently directed to the correct server, thus achieving sticky sessions. Additionally, the post discusses environment setup for monitoring streaming machines and highlights the importance of proper routing for both HTTP and WebSocket connections.