mkdir -p /usr/local/etc/nginx/sites-{enabled,available}
cd /usr/local/etc/nginx/sites-enabled
ln -s ../sites-available/default.conf
ln -s ../sites-available/default-ssl.conf
File locations:
nginx.conf
to/usr/local/etc/nginx/
default.conf
anddefault-ssl.conf
to/usr/local/etc/nginx/sites-available
homebrew.mxcl.nginx.plist
to/Library/LaunchDaemons/