Spring Boot Patterns

REST Controller

@RestController
@RequestMapping("/api/v1/users")
public class UserController {
    private final UserService userService;

    public UserController(UserService userService) {
        this.userService = userService;
    }

    @PostMapping
    public ResponseEntity<UserDTO> create(@Valid @RequestBody CreateUserRequest req) {
        return ResponseEntity.status(201).body(userService.create(req));
    }
}