niginx 配置代理websokcet

server {
        listen       80;
        server_name  xxx.xxx.cn;
    client_max_body_size   20m;
    location / {
        proxy_redirect off;
        proxy_set_header Host $host:$server_port;
            proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto  $scheme;
        proxy_connect_timeout 60;
        proxy_send_timeout 120;
        proxy_read_timeout 120;
            proxy_pass http://127.0.0.1:8082/;
        }
        location /websocket {
            proxy_pass http://127.0.0.1:8082/websocket;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
}