solucion

server {
	listen 80 default_server;
	#listen [::]:80 default_server;


	#root /var/www/html;

	#index index.html index.htm index.nginx-debian.html;

	server_name _;

	location / {
		#try_files $uri $uri/ =404;
		proxy_set_header Host $host;
		proxy_set_header X-Real-IP $remote_addr;
		proxy_pass http://190.0.0.50:9080;
	}

}