eledana/database/seeders/DatabaseSeeder.php

<?php

namespace Database\Seeders;

use App\Models\User;
// use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;

use Spatie\Permission\Models\Role;
use Spatie\Permission\Models\Permission;

class DatabaseSeeder extends Seeder
{
    /**
     * Seed the application's database.
     */
    public function run(): void
    {
        // User::factory(10)->create();

        // Create roles
        $adminRole = Role::create(['name' => 'admin']);
        $privilegedRole = Role::create(['name' => 'privileged']);

        // Create permissions
        $editPermission = Permission::create(['name' => 'edit articles']);
        $deletePermission = Permission::create(['name' => 'delete articles']);

        // Assign permissions to roles
        $adminRole->givePermissionTo([$editPermission, $deletePermission]);
        $privilegedRole->givePermissionTo($editPermission);

        User::factory()->create([
            'name' => 'superuser',
            'email' => 'superuser@admin.com',
            'password' => '12341234'
        ]);

        $user = User::find(1); // get a user
        $user->assignRole('admin');
    }
}