//bootstrap class

    public static function prepare()
    {
        self::setupEnvironment();
        Zend_Loader::registerAutoload();
        self::setupRegistry();
        Zend_Session::start();


        self::setupConfiguration();

        //cache here
        self::setupCache();
        self::$cache->start();
        //....
    }


    public static function setupCache()
    {

    	$frontendOptions = array(
           'lifetime' => 20,
           'debug_header' => true, // for debugging
           'regexps' => array(
		       // cache ALL the urls
       			'(.*)' => array('cache' => true, 'cache_with_get_variables' => true)
    		)
    	);

        $backendOptions = array(
            'cache_dir' => APP_PATH . '/cache/ZendCache/', // Directory where to put the cache files
        	'file_name_prefix' => 'zend_cache_query',
            'hashed_directory_level' => 2
        );

        // getting a Zend_Cache_Core object
        self::$cache = Zend_Cache::factory('Page',
                                         'File',
                                         $frontendOptions,
                                         $backendOptions);
    }