'mysql', 'connections' => [ 'mysql' => [ 'driver' => 'mysql', 'host' => getenv('DB_HOST') ?: 'mysql', 'port' => getenv('DB_PORT') ?: 3306, 'database' => getenv('DB_DATABASE') ?: 'xserver', 'username' => getenv('DB_USERNAME') ?: 'root', 'password' => getenv('DB_PASSWORD') ?: '123456', 'unix_socket' => getenv('DB_SOCKET') ?: '', 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'prefix' => '', 'strict' => true, 'engine' => null, 'options' => [ \PDO::ATTR_TIMEOUT => 5, ], ], ], ];