Change laravel domain/public to domain/

May be it's a very crazy and basic question but I didn't find any related answer to this question-or I have to learn more about googling-.

So, I'm learning laravel and figured it out that I can manipulate my URL using route in web.php file-for laravel 5.4-

When I set

    Route::get('/', function () {
        return view('welcome');
    });

I can see welcome view in this URL:

http://ift.tt/2m9LB87

well, I need to know how can I change my setting that I can see welcome view in my simple domain name?

Sounds very easy but I'm confused.

Any help would be appreciate.

Thanks in advance

via Chebli Mohamed