realtime

ActionCable integrates WebSockets seamlessly with Rails. Channels handle pub/sub messaging between server and clients. I use ActionCable for chat, notifications, live updates. Channels subscribe clients to streams; broadcasting pushes data to subscrib

Real-time features like live notifications or collaborative editing require WebSockets. Rails Action Cable provides a WebSocket server, and the @rails/actioncable client connects from React. I create a singleton cable instance and export subscription

When I want ‘real time’ updates without the operational overhead of WebSockets, I reach for Server-Sent Events (SSE). It’s just streaming HTTP, so it behaves well behind proxies and is easy to reason about. I set the right headers (Content-Type: text/

Broadcasting Turbo Streams via Action Cable enables real-time collaborative features without polling. When a model is created, updated, or destroyed, I broadcast the change to all subscribed users using broadcasts_to or manual broadcast_* methods. Sub

Raw WebSockets can turn into an unmaintainable mess unless you define a tiny protocol up front. I keep messages typed (even if it’s ‘JSON with a type field’) and I implement topic subscriptions so clients opt into exactly what they need. I track subsc

Action Cable brings WebSocket support to Rails, enabling real-time features like live notifications, collaborative editing, or chat systems. Clients subscribe to channels that broadcast updates when server-side events occur. I use Redis as the pub/sub

Presence is often more about “who is here now” than perfect accuracy. Use Redis sets with expiries updated by pings. This keeps the system simple and operationally understandable.

SSE is my go-to for “live updates” when I don’t need full bidirectional WebSockets. The key is to set the right headers (Content-Type: text/event-stream, Cache-Control: no-cache) and to flush periodically so intermediaries don’t buffer. I send heartbe