node.js proxy in nginx w/ https

nginx.conf

http {
	
	upstream node_server {
		server 127.0.0.1:2222;
	}

	server {
		listen  443 ssl;
		server_name  example.com;
		ssl on;
		ssl_certificate /etc/nginx/ssl/crt.crt;
		ssl_certificate_key /etc/nginx/ssl/key.key;
		ssl_session_timeout  5m;
		
		location / {
			proxy_set_header X-Real-IP $remote_addr;
			proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
			proxy_set_header Host $http_host;
			proxy_set_header X-NginX-Proxy true;
			proxy_pass http://node_server/;
			proxy_redirect off;
		}
	}
}

Good one.
Thanks!