dsi-commander/database/seeders/RolesPermissionsSeeder.php

<?php

namespace Database\Seeders;

use Illuminate\Database\Seeder;
use Spatie\Permission\Models\Role;

class RolesPermissionsSeeder extends Seeder
{
    public function run(): void
    {
        app()[\Spatie\Permission\PermissionRegistrar::class]->forgetCachedPermissions();

        $roles = ['admin', 'responsable', 'acheteur', 'lecteur', 'directeur', 'raf'];

        foreach ($roles as $role) {
            Role::firstOrCreate(['name' => $role, 'guard_name' => 'web']);
        }
    }
}