function __construct($config, $migrationsDir)
{
$this->migrationsDir = $migrationsDir;
$mysqli = new \mysqli($config['host'], $config['username'], $config['password'], $config['dbname']);
if ($mysqli->connect_errno) {
throw new \Exception("Failed to connect to MySQL: " . $mysqli->connect_error);
}
Connection::setMysqli($mysqli);
Loader::setMigrationsDir($migrationsDir);
}
