Route::get('/upload', function () {
    return '
<form method="post" enctype="multipart/form-data">
  ' . csrf_field() . '
  <input type="file" name="file">
  <input type="submit">
</form>
    ';
});

Route::post('/upload', function () {

    $request = request();

    $file = $request->file('file');
    //dd(uniqid() . '-' . $file->getClientOriginalName());

    $validator = validator($request->all(), [
        'file' => 'required|image|mimes:jpeg,png,jpg,gif,svg|max:2048',
    ]);

    if ($validator->fails()) {
        return $validator->getMessageBag()->toArray();
    }

    $file = $request->file('file');
    $file->move(public_path(uniqid() . '-' . $file->getClientOriginalName()));

    return 'ok!';
});

    $name = $request->file('file')->getClientOriginalName();
    #$file->move(public_path(uniqid() . '-' . $file->getClientOriginalName()));
  $path = $request->file('file')->storeAs(
              '', $name, 'public'
          );