nestjs-clean-architecture

To structure a NestJS project using Clean Architecture, you separate domain models, use cases, adapters, and infrastructure layers, enforcing boundaries with repository interfaces and symbol-based dependency injection.

The best way to separate domain logic from infrastructure in NestJS is by defining repository interfaces in the domain layer and implementing them externally using symbol-based dependency injection.

Clean Architecture works with NestJS dependency injection by using symbol-based DI to wire modules, ensuring use cases depend on repository interfaces rather than concrete infrastructure implementations.

Yes, you can use domain-driven design patterns to refactor existing NestJS applications by applying this blueprint to reorganize code placement into domain models, use cases, and adapters.

You need to implement use cases and presenters in NestJS when adding new features that require strict separation between application business rules and interface delivery mechanisms.

Limitations of enforcing strict layer boundaries in NestJS include increased boilerplate for DTOs, presenters, and controllers, which may require more onboarding time for new developers.