Nginx配置WebSocket

nginx websocket - Search
https://cn.bing.com/search?q=nginx+websocket&cvid=566532e7b0a14c32984c3211f6f46279&aqs=edge.0.0l9.13244j0j4&FORM=BESBTB&PC=U531&ensearch=1

Nginx配置WebSocket （包含nginx-ingress-controller） - 流年晕开时光 - 博客园
https://www.cnblogs.com/deny/p/14918548.html

Using NGINX as a WebSocket Proxy
https://www.nginx.com/blog/websocket-nginx/

WebSocket proxying
https://nginx.org/en/docs/http/websocket.html