backend-patterns

Document backend architecture patterns for Node.js, Express, and Next.js API routes.

Updated Mar 10, 2026
One-click install
npx skills add https://github.com/aleeM42/crm-2jmcmedios --skill backend-patterns-aleem42
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: backend-patterns
Source: https://github.com/aleeM42/crm-2jmcmedios/tree/main/.agents/skills/backend-patterns
Command: npx skills add https://github.com/aleeM42/crm-2jmcmedios --skill backend-patterns-aleem42

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a comprehensive guide to backend architecture patterns, API design, database optimization, and server-side best practices, enabling developers to build more efficient, maintainable, and scalable applications.

Core Features & Use Cases

  • API Design: Learn to design RESTful APIs with clear resource-based URLs and effective use of query parameters.
  • Architectural Patterns: Implement patterns like Repository, Service Layer, and Middleware for better code organization and separation of concerns.
  • Database Optimization: Discover techniques to prevent N+1 query problems, optimize query performance, and utilize transactions effectively.
  • Caching Strategies: Implement caching with Redis and understand the Cache-Aside pattern to improve application speed.
  • Error Handling & Security: Master centralized error handling, retry mechanisms, JWT validation, and role-based access control.
  • Use Case: A developer is designing a new microservice and needs guidance on structuring their API endpoints, implementing a data access layer, and securing the endpoints with JWT authentication.

Quick Start

Consult the backend-patterns skill for guidance on implementing the repository pattern in a Node.js application.

Frequently Asked Questions about backend-patterns

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

FAQPage Schema
How do I structure RESTful API endpoints in Node.js and Express?

Structure RESTful APIs by designing clear resource-based URLs and using query parameters effectively. This approach ensures better code organization and separation of concerns across your backend application endpoints.

What's the best way to prevent N+1 query problems in backend database optimization?

Prevent N+1 query problems by applying specific database optimization techniques. This includes utilizing query performance optimization strategies and implementing transactions effectively to ensure efficient data retrieval and maintainable application architecture.

How does the repository and service layer pattern work for server-side applications?

The repository and service layer pattern works by separating data access logic from business logic. Implementing these architectural patterns alongside middleware provides better code organization and clear separation of concerns for scalable backend applications.

Can I implement caching strategies and JWT validation using these backend patterns?

You can implement caching strategies using Redis and the Cache-Aside pattern to improve application speed. The patterns also cover JWT validation, role-based access control, centralized error handling, and rate limiting for robust endpoint security.

Does this backend architecture guidance work with Next.js API routes?

The backend architecture guidance explicitly supports Next.js API routes alongside Node.js and Express. You can apply the provided API design principles, middleware implementation, and structured logging techniques directly within your Next.js server-side application.