Deployer is CLI deployment tool written in PHP with support for popular frameworks such as WordPress, Magento and Laravel and CakePHP out of the box...
If you want to use the site locally on Mac, you need to have MAMP application and to setup a new site, there are couple of settings you need to make sure are enabled in order to MAMP access your site. First, you need to enable virtual host, open the httpd.conf from the bellow path: