@Override
    @RequestMapping(value = "/beers/{id}", method = RequestMethod.POST)
	@ResponseBody
    @Transactional
    public BeerResponse update(@PathVariable("id") Long id, @RequestBody BeerRequest beerRequest) {
        Beer beer = persistenceService.read(Beer.class, id);
        beer.setName(beerRequest.getName());
        beer.setDescription(beerRequest.getDescription());
        beer.setAvb(beerRequest.getAvb());
        beer = persistenceService.update(beer);
        return BeerResponse.createBeerResponse(beer);
    }