Tech spec
NGINX
HHVM
WP-CLI
COMPOSER
REDIS / MEMCACHE
W3TC / SC / FastCGI Cache / Varnish
SSL - Lets Encrypt
PROXY
PHP 5.6 / PHP 7
You dont need to bother about any setup, just choose the stack of your flavor and EE will do the rest.
Personaly i made my favorite "recepie" and is provisioning a new wp + optimized stack in seconds.