Regex based forwarding for nginx

nginx-vhost.conf

server {
  # match all requests
	location ~ ^(.*)$ {
    # send headers to client
		add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    # forward to below
		proxy_pass http://localhost:12345;
	}
  
  # listen on ports
	listen 80;
	listen [::]:80;

  # server entry
	server_name servername.nolim1t.co;
}