Problem with resizing images after uploading to laravel 5.2

Good evening, I would like to add the resize function of the images when an image is uploaded on my site, I have installed the necessary dependencies and I have included in the config/app files the provider and the aliases. But I find this error: production.ERROR: Method Illuminate\Http\UploadedFile::resize does not exist. I put the part of the code below:

    public function imageProfile(Request $request)  
    {
        $user = Auth::user();
        $rules = array(
            'profile-image' => 'required|image|mimes:jpeg,png,jpg,gif|max:8192|dimensions:min_width=160,min_height=160',
        );

        $customMessages = [
            'profile-image.required' => 'E\' richiesta una immagine per cambiare immagine di profilo.',
            'profile-image.image' => 'Devi inserire un immagine valida.',
            'profile-image.mimes' => 'L\'immagine inserita non ha un formato adatto.',
            'profile-image.dimensions' => 'L\'immagine deve essere minimo 160x160.',
        ];

        $validator = Validator::make(Input::all(), $rules, $customMessages);

        if ($validator->fails()) {
            return response()->json(['success' => false, 'error' => $this->validationErrorsToString($validator->errors())]);
        }

        if ($request->hasFile('profile-image')) {
            $number = mt_rand(1,1000000);
            $image = $request->file('profile-image');
            $name = $user->username.'-'.Carbon::now()->toDateString().'-'.$number.'.'.$image->getClientOriginalExtension();
            $destinationPath = 'uploads/profile';
            $imagePath = $destinationPath. "/".  $name;
            $image->move($destinationPath, $name);
            $image->resize(200,200);

            $user->image_profile = $imagePath;
            $user->save();
            $html =  $imagePath;

            return response()->json(['success' => true, 'html' => $html, 'image' => $imagePath]);
        }
    }

Thanks for help me, and have a good day

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