How to dektrium auto register after login

1 
'modules' => [
    'user' => [
        'class' => 'dektrium\user\Module',
        'enableUnconfirmedLogin' => true,
        'enableConfirmation' => false,
        'cost' => 12,
        'admins' => [
            'admin'
        ],
        'layout' => '@frontend/themes/login/views/layouts/main.php',
        'controllerMap' => [
            'registration' => 'frontend\controllers\user\RegistrationController',
            'security' => 'frontend\controllers\user\SecurityController',
            'profile' => 'frontend\controllers\user\ProfileController',
        ],
        'modelMap' => [
            'RegistrationForm' => 'frontend\models\RegistrationForm',
        ],

    ]
]
2

How do you login without registering?

3

no, i need register before login

4

You cannot auto register, you have to present the form first and then register on submission. The docs are clear on that.

If you mean creating default user then make a migration script and run it