nestjs-best-practices

To avoid circular dependencies in NestJS, structure modules by applying dependency injection principles and ensuring clear boundaries between module responsibilities. This Skill guides refactoring monolithic codebases into modular architectures with proper separation of concerns.

The best way to implement JWT authentication and rate limiting in NestJS involves applying security guards, input validation, and sanitization protocols. This Skill provides patterns to enforce security standards across enterprise-level backend systems.

Configuring health checks and graceful shutdowns for NestJS microservices requires setting up specific module configurations and monitoring endpoints. This Skill details how to deploy scalable systems with reliable message queues and shutdown protocols.

Slow database queries in NestJS applications can be resolved by utilizing lazy loading, caching strategies, and database query optimization. This Skill identifies performance tuning patterns to ensure efficient production deployment.

Yes, you can use this Skill to set up unit and e2e testing for an existing NestJS codebase. It guides configuring global exception handling and consistent error responses, ensuring maintainable and reliable application refactoring.

Yes, applying these NestJS best practices requires prior knowledge of module structuring, dependency injection, and JWT security. It is designed for developers reviewing and refactoring existing enterprise-level NestJS projects.