This is sourcecode of gitonomy.com.
First, clone repository to local folder, using git:
$ cd /var/www
$ git clone git@github.com:gitonomy/website.git
When it's done, go to the downloaded directory and install your dependencies with composer.
$ cd /var/www/website
$ curl -sS https://getcomposer.org/installer | php
$ php composer.phar install
Finally, create a Apache host to web/ folder:
<VirtualHost *:80>
ServerName gitonomy.com
DocumentRoot /var/www/website
</VirtualHost>