Laravel - guardar url completa de imagen en base de datos

public function store(Request $request)

{

    $Event=request()->except('_token');

    if($request->hasFile('imagen')){

        $Event['imagen'] = $request->file('imagen')->store('/uploads','public');

    }

    Eventos::insert($Event);

    return redirect('/Eventos') ->with('success','Registro creado satisfactoriamente');

}

Storage::url('imagen.jpg')

Storage::disk('local')->url('imagen.jpg')

'public' => [

            'driver' => 'local',

            'root' => storage_path('app/public'),

            'url' => env('APP_URL').'/storage',

            'visibility' => 'public',

        ],