'yii\db\Connection', 'dsn' => 'mysql:host=' . $_ENV['DB_HOST'] . ';dbname=' . $_ENV['DB_NAME'], 'username' => $_ENV['DB_USER'], 'password' => $_ENV['DB_PASS'], 'tablePrefix' => $_ENV['DB_TBL_PREFIX'], 'charset' => 'utf8', // Schema cache options (for production environment) //'enableSchemaCache' => true, //'schemaCacheDuration' => 60, //'schemaCache' => 'cache', ];