update-policy.php

use App\Models\Post;

use App\Models\User;

use Illuminate\Support\Facades\Gate;

/**

 * Register all authorization and authentication services.

 */

public function boot(): void

{

        //Only users with admin role will be allowed to create a post

    Gate::define('can_post', function($user) {

       return $user->role == 'admin';

    });

}