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Elixir & Phoenix: Scalable Backend Development · Lesson

Real-Time Features with Phoenix Channels

Add bidirectional, real-time communication to your Phoenix app using Channels over WebSockets.

What Are Channels?

Phoenix Channels provide a real-time, bidirectional messaging layer over WebSockets (with fallbacks). Perfect for chat, notifications, and live dashboards.

The Socket Layer

Clients connect to a Socket, which authenticates the connection and routes to topics. It is defined in your endpoint.

socket "/socket", MyAppWeb.UserSocket,
  websocket: true,
  longpoll: false

All lessons in this course

  1. Phoenix Project Setup and Structure
  2. Routing, Controllers, and Plugs
  3. Views, Templates, and LiveView Basics
  4. Real-Time Features with Phoenix Channels
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