protected static function addServices($manager, $slim)
    {
        $services = [
            'Input' => 'request',
            'Request' => 'request',
            'Response' => 'response',
            'View' => 'template',
            'Menu' => 'menu',
            'Url' => 'url',
            'Log' => 'log'
        ];

        $container = $slim->getContainer();

        foreach ($services as $alias => $id) {
            $proxy = __NAMESPACE__.'\\'.$alias;
            $manager->addProxyService($alias, $proxy, $container, $id);
        }
    }