$config['cache']['enabled'] = true;

$config['cache']['config'] = [
    'host' => '127.0.0.1',
    'port' => 6379,
];

$config['session']['enabled'] = true;
$config['session']['config'] = [
    'host' => '127.0.0.1',
    'port' => 6379,
];
An unexpected database error occurred. Please try again later.
<!-- Access denied for user &#039;&#039;@&#039;localhost&#039; (using password: NO) -->