Nginx如何做websocket配置

server {
  listen   80;
  server_name 域名;
  location / {
    proxy_pass   http://127.0.0.1:8080/; // 代理转发地址
    proxy_http_version 1.1;
    proxy_read_timeout   3600s; // 超时设置
    // 启用支持websocket连接
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }
  location /upload { // 静态资源地址
    root   /mnt/resources;    
  }
}