phalcon-redis-metadata.php

    $di['modelsMetadata'] = function () use ($config) {

        if (PH_NOCACHE) {
            $cache = new  \Phalcon\Mvc\Model\Metadata\Memory();
        } else {
            $cache = new \Phalcon\Mvc\Model\Metadata\Redis(
                [
                    'lifetime' => 86400,
                    'persistent' => false,
                    'host' => $config->redis->host,
                    'prefix' => 'meta:' . $config->redis->prefix,
                    'port' => $config->redis->port,
                    'index' => $config->redis->cache_db,
                ]
            );
        }

        return $cache;
    };