{% for ctx, backend in atl_proxy_map.items() %}
    location /{{ctx}} {
        proxy_pass {{backend}};
        proxy_read_timeout 300;
        proxy_connect_timeout 300;
        proxy_send_timeout 300; 
	proxy_redirect off;
	proxy_http_version 1.1;
	proxy_set_header Upgrade		$http_upgrade;
	proxy_set_header Connection		$http_connection;
        proxy_set_header X-Real-IP		$remote_addr;
        proxy_set_header Host			$http_host;
        proxy_set_header Scheme			$scheme;
        proxy_set_header X-Forwarded-For	$proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto	$scheme;
        proxy_set_header X-Forwarded-Host	$host;
   }
 {% endfor %}