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sudo usermod -g www-data username
sudo systemctl restart apache2

Php artisan db:table 

Php artisan db:monitor

Php artisan db:show

'public_files' => [
            'driver' => 'local',
            'root' => public_path(),
            'url' => env('APP_URL').'/',
            'visibility' => 'public',
        ],

$table->string('img');

'img' => ['required', 'mimes:png,jpeg', 'max:2048'],

public function store(Request $request)
    {
        $data = $request->validated();

        if ($request->hasFile('img')) {
            $file = $request->file('img');
            $file_name = $file->getClientOriginalName();
            $file->storeAs('customers/img', $file_name, 'public_files');
            $data['img'] = $file_name;
        }

        Customer::create($data);

        return to_route('customers.index');
    }

<form action="{{ route('customers.store') }}" method="POST" enctype="multipart/form-data">
        <div class="mb-3">
            <label for="formFile" class="form-label">تصویر شاخص :</label>
            <input class="form-control rounded-5 @error('img') is-invalid @enderror" name="img" type="file" id="formFile" accept="image/*">
            @error('img')
                <span class="invalid-feedback" role="alert">
                     <strong>{{ $message }}</strong>
                </span>
            @enderror
            <button type="submit" class="btn btn-primary rounded-5 mt-4"><i class="fa-duotone fa-send"></i> ثبت عکس جدید </button>
        </div>
    </form>