backend-dev-guidelines

The best way to structure a Node.js Express microservice is by enforcing a layered architecture with distinct routes, controllers, services, and repositories to ensure maintainability and scalable backend systems.

To enforce consistent error handling in a Node.js backend, you should integrate Sentry for robust error tracking and reporting alongside a standardized layered architecture for your microservices.

To validate input in Express using TypeScript, you should mandate Zod for type-safe input validation, ensuring data integrity before processing requests within your microservice's controller layer.

Yes, you can use this layered architecture approach to refactor an existing Node.js backend by restructuring your codebase into routes, controllers, services, and repositories to adhere to established patterns.

The repository pattern in backend microservices abstracts data access logic away from business logic. You need it when building scalable Node.js systems to maintain a clean separation of concerns.

Yes, the framework mandates Zod for type-safe input validation and integrates Sentry for error tracking to ensure consistency, maintainability, and best practices in backend microservice development.