Spring Full-Stack Practical Cases

May 22, 2026 · Backend Development

Why Hand‑Write WebSocket? Use Spring Boot + Netty‑SocketIO for Simpler Real‑Time Communication

This article walks through building a real‑time bidirectional communication system with Spring Boot 3.5.0 and the Netty‑SocketIO library, covering its core features, Maven setup, server implementation via CommandLineRunner, client HTML/JavaScript code, room support, and testing screenshots.