<?php
  
/**
     * This gist assumes that you already have your auth properly set up
     * 
     * At the point of registration or however your flow works, you send a verification link
     *  
     * the laravel default is to send the verification link with the domain for your backend (e.g localhsot:8000)
     * 
     * You don't want that: to generate a signed url that references your frontend domain (e.g localhost:3000)
     * 
     * To do is, you will need to create a new notification class : php artisan make:notification CustomEmailVerificationNotification
     * 
     */


class CustomVerifyEmailNotification extends  VerifyEmail
{
    use Queueable;
// other methods and properties 
}

    /**
     * Next, you should overwrite the method (verificationUrl())of laravel defaults verifyEmail class. 
     * so inside the new notification class: CustomEmailVerificationNotification, we have the following modification:
     * 
     */

class CustomVerifyEmailNotification extends  VerifyEmail
{
    use Queueable;

    protected function verificationUrl($notifiable)
    {
     
        $signedUrl = URL::temporarySignedRoute(
            'verification.verify',
            Carbon::now()->addMinutes(60),
            [
                'id' => $notifiable->getKey(),
                'hash' => sha1($notifiable->getEmailForVerification())
            ],
            false
        );

      // return http://localhost:3000 . $signedUrl; OR :

        return config('app.frontend_url') .$signedUrl;
    }
}

     /**
     * The code above generates a signed temporal link but without a domain (non -absolute path ). essentially, we disabled that by passing 
     * ...the last parameter which is "false"
     * Next, you will have to send the notification from your User model 
     * 
     */

class User extends Authenticatable implements MustVerifyEmail
{
    use HasApiTokens, HasFactory, Notifiable;
  
  // other methods, properties, etc
  
  
   public function sendEmailVerificationNotification()
    {
    
        $this->notify(new CustomVerifyEmailNotification);
    }
}

// now, send the emails as you would have done, this time, the domain should refernece your frontend origin