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nestjs-best-practices

Analyze NestJS project repositories for architecture and best practices adherence.

Updated Apr 15, 2026
Search Tags:#testing#architecture#performance#error handling#microservices#dependency injection#nestjs
One-click install
npx skills add https://github.com/cfardev/ayv-comercial --skill nestjs-best-practices-cfardev
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nestjs-best-practices
Source: https://github.com/cfardev/ayv-comercial/tree/main/.agents/skills/nestjs-best-practices
Command: npx skills add https://github.com/cfardev/ayv-comercial --skill nestjs-best-practices-cfardev

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires @nestjs/core, @nestjs/common, @nestjs/terminus, @nestjs/throttler, @nestjs/jwt, @nestjs/config, @nestjs/bullmq, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill helps developers ensure their NestJS applications follow best practices, reducing bugs, improving maintainability, and enhancing security by adhering to proven architectural patterns.

Core Features & Use Cases

  • Architecture Best Practices: Enforces modular design, dependency management, and avoidance of circular dependencies.
  • Dependency Injection Optimization: Promotes constructor injection, interface usage, and scope awareness.
  • Error Handling & Security: Implements centralized exception filters, guard-based authorization, and input validation.
  • Performance & Testing: Guides on lazy loading, caching strategies, and comprehensive e2e testing with Supertest.
  • Database & Microservices: Recommends migration management, transaction handling, and message pattern correct usage.
  • DevOps & Deployment: Recommends graceful shutdown, structured logging, and environment configuration.
  • Code Quality: Encourages single responsibility, component reuse, and modular organization.

These guidelines facilitate the development of high-quality, reliable, and secure NestJS projects suitable for production environments.

Quick Start

Use the nestjs-best-practices skill to review existing server code, identify architectural improvements, and automate refactoring suggestions for NestJS projects.

Frequently Asked Questions about nestjs-best-practices

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I analyze a NestJS project repository to ensure it follows architecture best practices?▼

To analyze a NestJS project repository for architecture best practices, review module organization, verify dependency injection scopes, and check for circular dependencies to ensure modular, maintainable production systems.

What's the best way to handle errors and security in NestJS applications?▼

The best way to handle errors and security in NestJS applications is by implementing centralized exception filters, using guard-based authorization, and validating inputs to reduce bugs and enhance application security.

How do I optimize dependency injection in NestJS for better performance?▼

Optimize NestJS dependency injection by using constructor injection, implementing interfaces, and maintaining scope awareness to manage component reuse and avoid performance bottlenecks.

Can I use NestJS for microservices communication and what patterns should I follow?▼

Yes, you can use NestJS for microservices by following correct message pattern usage and verifying communication patterns to ensure scalable and reliable inter-service interactions.

How do I set up comprehensive e2e testing for a NestJS application?▼

Set up comprehensive e2e testing for a NestJS application by using Supertest to verify endpoints, ensuring testing best practices are met, and validating overall application performance and behavior.

What are the limitations of refactoring large NestJS applications for modular design?▼

When refactoring large NestJS applications for modular design, limitations arise from existing circular dependencies and tightly coupled components, requiring strict component reuse and single responsibility enforcement to resolve.

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