$_ENV['DB_HOST'] ?? 'localhost', 'database' => $_ENV['DB_NAME'] ?? 'rss_hub', 'username' => $_ENV['DB_USER'] ?? 'rss_hub_user', 'password' => $_ENV['DB_PASS'] ?? 'secure_password', 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'options' => [ PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC, PDO::ATTR_EMULATE_PREPARES => false, ], ];