'mysql', 'connections' => [ 'mysql' => [ 'driver' => 'mysql', 'host' => '127.0.0.1', 'port' => '3306', 'database' => 'ds2', 'username' => 'root', 'password' => 'user', 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_general_ci', 'prefix' => '', 'strict' => true, 'engine' => null, ], ], ];