centos nginx配置支持WebSocket(signalR)

signalr 默认会调用websocket去连接集线器，centos下，用nginx默认设置不支持ws的

所以，必须更改配置，让nginx通过websocket

 server {
    listen 80;
    server_name admin.mu-booking.com;
    location / {
        proxy_pass http://127.0.0.1:5000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection upgrade;
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
    }

关键

proxy_set_header Connection upgrade，默认key-alive的，改成upgrade

原文地址：https://www.cnblogs.com/drek_blog/p/10823020.html