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.confto/usr/local/etc/nginx/default.confanddefault-ssl.confto/usr/local/etc/nginx/sites-availablehomebrew.mxcl.nginx.plistto/Library/LaunchDaemons/