Building Real-Time Shopping Carts with Phoenix Presence

Modern e-commerce platforms require instant, seamless updates to keep users engaged and inventory accurate. Managing real-time state across multiple sessions can be challenging without the right tools. This text-based course guides you through using Phoenix Presence to track and sync shopping carts in real time, enabling you to build responsive admin dashboards and collaborative shopping experiences. What you'll learn: Understand the core architecture of Phoenix channels, LiveView, and Presence tracking; Configure real-time state synchronization for active user shopping carts; Track user online status and cart changes without heavy database polling; Build responsive updates that sync instantly across multiple browser sessions; Apply Elixir concurrency patterns to handle high-traffic e-commerce events safely; Implement clean error handling and state recovery for disconnected users. You will start with foundational real-time web concepts and Phoenix Presence basics before moving on to practical step-by-step implementation of a live cart tracker. This course is designed for web developers and beginners to Elixir and Phoenix who want to learn real-time state synchronization. No prior experience with Phoenix Presence is required. Start reading today to master real-time tracking in your web applications.