nginx 配置 websocket

1. 配置代码

    server {
        listen       9900;
        server_name  103.108.121.136;

        location /ws/ {
            # 必须使用http 1.1
            proxy_http_version 1.1;
            # 设置请求头为ws请求方式
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_pass http://127.0.0.1:9930;
        }
    }