1 同时启动SpringBoot的http和Netty

https://juejin.im/post/5bd584bc518825292865395d

https://www.jianshu.com/p/2a2562f85241

https://juejin.cn/post/6844903700746485767 (推荐这一篇)

2 只启用Netty

https://juejin.cn/post/6844904110576107534

3 Spring Boot + Netty + Websocket

https://juejin.cn/post/6844904110576107534