nginx proxy websocket MonitorHub

[duyanming]

upstream anno {
        ip_hash;
        server 127.0.0.1 weight=3;
}
server{
	listen 8089;
	location / {
		proxy_pass http://anno/;
		index index.html index.htm index.nginx-debian.html;
	}
	location /MonitorHub {
		proxy_pass http://anno/MonitorHub;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection "upgrade";
		index index.html index.htm index.nginx-debian.html;
	}
}