python socketio nginx 範例 - jenhaoyang/backend_blog GitHub Wiki 參考: https://medium.com/@charming_rust_oyster_221/%E4%BD%BF%E7%94%A8-flask-socketio-%E5%AE%8C%E6%88%90-websocket-%E9%9B%99%E5%90%91%E9%80%9A%E8%A8%8A-49fd734f52ae