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nestjs-best-practices

Standardize NestJS project architecture with modular design, DI scoping, error handling, and DTO validation.

1|Updated Nov 13, 2025
Search Tags:#architecture#validation#best-practices#nestjs#di#drizzle-orm
One-click install
npx skills add https://github.com/mislam-dev/department-management-system-api --skill nestjs-best-practices-mislam-dev
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nestjs-best-practices
Source: https://github.com/mislam-dev/department-management-system-api/tree/main/.agents/skills/nestjs-best-practices
Command: npx skills add https://github.com/mislam-dev/department-management-system-api --skill nestjs-best-practices-mislam-dev

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) and assets (resource) components.

What problem does it solve?

Establishes a consistent, scalable foundation for NestJS projects by codifying module boundaries, provider scoping, error handling, and data validation to reduce cognitive load and technical debt.

Core Features & Use Cases

  • Modular Architecture Guidance: Enforces domain separation with clearly defined modules, controllers, services, and repositories.
  • DI Scoping & Error Handling: Promotes appropriate provider scopes and standardized exception handling patterns.
  • DTO Validation & Drizzle ORM Integration: Demonstrates robust input validation with class-validator and demonstrates integrating Drizzle ORM in repositories and services.
  • Use Case: Teams refactor a monolithic NestJS app into feature modules with consistent boundaries and testable data access layers.

Quick Start

Review your NestJS project and start applying module boundaries, DI scopes, DTO validation, and Drizzle ORM patterns today.

Frequently Asked Questions about nestjs-best-practices

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

FAQPage Schema
How do I structure a scalable NestJS architecture with clear module boundaries?▼

A scalable NestJS architecture requires strict domain separation using clearly defined modules, controllers, services, and repositories to enforce boundaries and reduce technical debt.

What is the best way to handle exceptions and standardize error handling in NestJS?▼

The best way to handle exceptions in NestJS is by applying standardized exception filters and defining concrete patterns for error handling across production applications.

How do I validate DTOs in NestJS using class-validator?▼

You validate DTOs in NestJS by applying class-validator decorators to your data transfer objects, ensuring robust input validation before processing requests in services.

Does NestJS work with Drizzle ORM for repository pattern integration?▼

Yes, NestJS integrates with Drizzle ORM by implementing repository design patterns within services to establish maintainable and testable data access layers.

When should I adjust dependency injection scopes for providers in NestJS?▼

You should adjust dependency injection scopes in NestJS when defining provider lifecycles to optimize resource management and ensure appropriate scopes across your application.

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