Spring Boot Code Generation Guidelines

When generating or reviewing Spring Boot code, follow these best practices:

Dependency Injection

• Use constructor injection, never field injection with @Autowired
• Mark injected fields as private final
• Let Lombok's @RequiredArgsConstructor generate constructors when appropriate

// Good
@Service
@RequiredArgsConstructor
public class UserService {
    private final UserRepository userRepository;
    private final EmailService emailService;
}