http/https與websocket的ws/wss的關系以及通過Nginx的配置

http/https與websocket的ws/wss的關系 - 噠噠噠 - CSDN博客
https://blog.csdn.net/Garrettzxd/article/details/81674251

【Tomcat】-- Tomcat + Nginx反向代理https和wss並解決獲取客戶端真實IP、域名、協議、端口 - 封宸落宇的專欄 - CSDN博客
https://blog.csdn.net/fcly2013/article/details/77161718