Update the hosts file in /private/etc/hosts to maintain multiple domains/hostnames on a local machine for 127.0.0.1 and setup a VirtualHost container in /Applications/MAMP/conf/apache/extra/httpd-vhost.conf via /Applications/MAMP/conf/apache/httpd.conf for a name-based virtual host.

README.md

Virtual Hosts

Related tutorial: http://osxdaily.com/2012/08/07/edit-hosts-file-mac-os-x/

Documentation: http://httpd.apache.org/docs/2.2/vhosts/

Only suitable for MAMP users under OS X Lion, OS X Mountain Lion, and OS X Mavericks on Apache-Port 80 and MySQL-Port 3306.

Locate httpd.conf : httpd -V

execute

sudo nano /etc/hosts

hosts

127.0.0.1   localhost
127.0.0.1   local.dev

httpd

# Include virtual hosts
Include /Applications/MAMP/conf/apache/extra/httpd-vhosts.conf

httpd-vhosts

# Name-based virtual hosting
NameVirtualHost 127.0.0.1

# Setup local.dev
<VirtualHost 127.0.0.1>
  ServerAdmin info@website.com
  DocumentRoot "/Applications/MAMP/htdocs/sites/website"
  ServerName local.dev
  DirectoryIndex index.php
  <Directory "/Applications/MAMP/htdocs/sites/website">
    AllowOverride All
    Allow from All
  </Directory>
</VirtualHost>