notifications

2 articles

Architecture diagram showing WebSocket connections routing through Redis pub/sub to multiple server instances

Building a Real-Time Notification System with WebSockets and Redis

A step-by-step tutorial for building a scalable real-time notification system using WebSockets, Redis pub/sub for multi-server broadcasting, and persistent notification storage with read tracking.

Mar 30, 2025·5 min read

Architecture diagram showing a notification system with a publisher, message queue, delivery service, and client connections using Server-Sent Events

Tutorials

Building a Real-Time Notification System from Scratch

Build a production-ready real-time notification system using Server-Sent Events and WebSockets with TypeScript, covering message delivery guarantees, client reconnection, notification persistence, and read-state tracking.

Mar 21, 2024·4 min read

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