Apache Dynamic VHosts, PHP and Pow on Mac OS X

dynamic-vhosts.conf

#
# Use this file to make all directories in /Users/enderson/Sites/ available via localtest.me
#
# Example:
#
# www.example.com.localtest.me --> /Users/enderson/Sites/www.example.com
# a.www.example.com.localtest.me --> /Users/enderson/Sites/a.www.example.com
# example.com.localtest.me --> /Users/enderson/Sites/example.com
#
# Change enderson to fit your username.

#
# Use name-based virtual hosting.
#
NameVirtualHost *:80

UseCanonicalName Off
LogFormat "%V %h %l %u %t \"%r\" %s %b \"%{Referer}i\" \"%{User-Agent}i\"" dynamic_vhosts
CustomLog /var/log/apache2/access_log dynamic_vhosts

<VirtualHost *:80>
	<Directory "/Users/enderson/Sites/">
		Options -Indexes FollowSymLinks MultiViews
		AllowOverride All
		Order allow,deny
		Allow from all
	</Directory>

	<IfModule mod_vhost_alias.c>
		VirtualDocumentRoot /Users/enderson/Sites/%-3+
		VirtualScriptAlias /Users/enderson/Sites/%-3+/cgi

		<DirectoryMatch "^/srv/www/vhosts/[^/]+/cgi">
			AllowOverride None
			Options ExecCGI
			<IfModule mod_access.c>
				Order allow,deny
				Allow from all
			</IfModule>
		</DirectoryMatch>

	</IfModule>

</VirtualHost>

zzz_pow.conf

<VirtualHost *:80>
  ServerName pow
  ServerAlias *.dev
  ServerAlias *.xip.io

  ProxyPass / http://localhost:20559/
  ProxyPassReverse / http://localhost:20559/
  ProxyPreserveHost On
</VirtualHost>