# 重点，转发websocket需要的设置
    proxy_set_header X-Real_IP $remote_addr;
    proxy_set_header Host $host;
    proxy_set_header X_Forward_For $proxy_add_x_forwarded_for;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection 'upgrade';

    location / {
         proxy_pass http://ip:8080;
    }