Nginx Websocket Hk.

location /design1 {
if ($http_upgrade != "websocket") {
return 404;
}
proxy_pass http://127.0.0.1:8080;
proxy_redirect off;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_read_timeout 5d;
}
}