sample nginx conf

gistfile1.txt

server {
	listen 80;
	server_name	example.com;
	root /var/www/example.com/current/public;
	passenger_enabled on;
	
	location ~ "/{javascripts|stylesheets|images}/" {
		expires 31d;
	}
}

server {
	listen 80;
    server_name  *.example.com;
    rewrite ^(.*) http://example.com$1 permanent;
}