nginx-proxy-manager-zh/docker/rootfs/etc/nginx/conf.d/production.conf

# Admin Interface
server {
	listen 81 default;
	server_name nginxproxymanager;

	location / {
		add_header            X-Served-By $host;
		proxy_set_header Host $host;
		proxy_set_header      X-Forwarded-Scheme $scheme;
		proxy_set_header      X-Forwarded-Proto  $scheme;
		proxy_set_header      X-Forwarded-For    $remote_addr;
		proxy_pass            http://localhost:3000/;
	}
}