NestJS Best Practices

Comprehensive guide for building production-ready NestJS applications. Contains 26 rules across 13 categories, covering security, architecture, performance, validation, database operations, authentication, and advanced patterns.

When to Apply

Reference these guidelines when:

• Writing new NestJS modules, controllers, or services
• Implementing authentication and authorization
• Setting up Prisma database operations
• Creating DTOs and validation pipes
• Adding middleware or guards
• Implementing error handling and logging
• Reviewing NestJS code for best practices
• Refactoring existing NestJS applications

Rule Categories by Priority