@Controller
public class HomeController {

    private ItemRepository itemRepository;

    @Autowired
    public HomeController(ItemRepository itemRepository){
        this.itemRepository = itemRepository;
    }

    @GetMapping("/")
    public String start(){
        return "redirect:home";
    }

    @GetMapping("/home")
    public String main(Model model){
       List<Item> list = itemRepository.findAll();
       model.addAttribute("items", list);
       return "home";
    }
}