ngins-siteserver.conf

server {
	server_name foo.bar;
	listen xx.xx.xx.xx;
	location / {
		if ($http_cf_visitor != '{"scheme":"https"}'){
			add_header X-From-NGINX yes;
			rewrite ^(.*)$ https://www.foo.bar$1 redirect;
		}
		proxy_pass http://127.0.0.1:62500;
		proxy_redirect      off;
		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_set_header    X-Forwarded-Proto $scheme;

		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection "upgrade";
		
		proxy_buffering     off;

		proxy_connect_timeout 43200000;
		proxy_read_timeout    43200000;
		proxy_send_timeout    43200000;
	}
}