public function register(ContainerInterface $app)
 {
     $app->singleton(Connection::class, function ($app) {
         return Connection::factory($app['config']['database']);
     });
     $app->alias('connection', Connection::class);
 }
 public function register(ContainerInterface $app)
 {
     $app->singleton(Input::class, function ($app) {
         return new Input($app['request']);
     });
     $app->alias('input', Input::class);
 }