Varnish and Nginx Installation

Hi

Need help…URGENT
Server is new VPS
Reference site zovi.com
Nginx installed by server admin as reverse proxy need images static content served thru this and varnish combination

My site is mysite.in (joomla) and mysite.in/mall (magento) need performance boost like reference site given using varnish or nginx what suits best need sub 2 sec.
-Also need to e able to exclude login urls etc so username don’t repeat
-clear selective urls cache when needed to see changes

  • clear selective image when required

Regards
Rajiv
pm for site details