Varnish cache

Varnish cache is disabled by default for all content. You can enable Varnish on your domain by adding the following parameter to the top of your ___general/ (or, as applicable).

Caching works on the premise of cache everything until told otherwise, you can fully control Varnish using configuration directives.


set $magestack_cacheable true;
set $magestack_cache_lifetime 7d;

It can be confirmed by checking the HTTP debug response headers MageStack-Cache

Also see,

! Any 3rd party admin extensions (with custom routers) or a change of admin URL must be explicitly set in the Varnish exclusion configuration file