cmc-sales/app/config/database.php

<?php

//CakePHP is pretty awful. I was so foolish.

class DATABASE_CONFIG {

    var $default = array(
      'driver' => 'mysql',
      'persistent' => false,
      'host' => '172.17.0.1',
      'login' => 'cmc',
      'password' => 'xVRQI&cA?7AU=hqJ!%au',
      'database' => 'cmc',
      'prefix' => '',
    );

    function __construct() {
        // Use environment-specific database settings if APP_ENV is set
        if (isset($_ENV['APP_ENV']) && $_ENV['APP_ENV'] == 'staging') {
            $this->default = array(
                'driver' => 'mysql',
                'persistent' => false,
                'host' => 'db-staging',
                'login' => 'cmc_staging',
                'password' => 'staging_password',
                'database' => 'cmc_staging',
                'prefix' => '',
            );
        }
    }
}