It's straightforwards to install Nginx on OSX with bre - parisnakitakejser.com 
# Installation on OSX
Installation on OSX is painless:
brew install nginx
However if you want to install modules like lua you can use the handy:
The only issue is with that the default install of nginx with homebrew does not include LUA support.
It's straightforwards to install Nginx on OSX with bre - parisnakitakejser.com