laravel seeder with relationship

php artisan db:seed --class=UserSeeder

//create 10 users
factory(User::class, 10)->create()->each(function ($user) {
    //create 5 posts for each user
    factory(Post::class, 5)->create(['user_id'=>$user->id]);
});

factory(User::class, 10)->create()->each(function ($user) {
    $user->posts()->saveMany(factory(Posts::class, 5)->make());
});

use App\Models\User;
 
/**
 * Run the database seeders.
 *
 * @return void
 */
public function run()
{
    User::factory()
            ->count(50)
            ->hasPosts(1)
            ->create();
}