backend-patterns

Guide backend development patterns for Node.js, Express, and Next.js APIs.

1|Updated Feb 7, 2026
One-click install
npx skills add https://github.com/ndhananj/codex-agent-setup --skill backend-patterns-ndhananj
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: backend-patterns
Source: https://github.com/ndhananj/codex-agent-setup/tree/main/docs/zh-CN/skills/backend-patterns
Command: npx skills add https://github.com/ndhananj/codex-agent-setup --skill backend-patterns-ndhananj

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides comprehensive guidance and code examples for implementing robust, scalable, and maintainable backend systems, focusing on modern Node.js, Express, and Next.js API development.

Core Features & Use Cases

  • API Design: Learn RESTful principles, repository, service, and middleware patterns.
  • Database Optimization: Understand query optimization, N+1 prevention, and transaction management.
  • Caching Strategies: Implement Redis and bypass caching for improved performance.
  • Error Handling: Utilize centralized error handlers and exponential backoff retries.
  • Authentication & Authorization: Secure APIs with JWT and role-based access control.
  • Rate Limiting & Background Jobs: Implement traffic control and asynchronous task processing.
  • Logging & Monitoring: Employ structured logging for better observability.

Quick Start

Review the provided code examples to implement a repository pattern for data access in your 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 prevent N+1 query problems in Node.js backend applications?

Prevent N+1 query problems in Node.js backend applications by applying query optimization and transaction management patterns provided in this Skill. It offers practical code examples for data access using the repository pattern to ensure efficient database interactions.

What is the best way to structure Express API routes using repository and service patterns?

The best way to structure Express API routes is by implementing repository, service, and middleware patterns. This Skill provides practical code examples to separate data access from business logic, ensuring maintainable and scalable server-side applications.

How do I implement centralized error handling and exponential backoff retries in Next.js APIs?

Implement centralized error handling and exponential backoff retries in Next.js APIs using the patterns detailed in this Skill. It provides specific code examples to manage errors systematically and retry failed operations effectively without crashing the server.

Do I need Redis to implement caching strategies for Node.js APIs?

You need Redis or similar caching strategies to improve performance in Node.js APIs. This Skill explains how to implement Redis caching and bypass caching techniques, offering practical code examples to reduce database load and speed up response times.

Can I secure APIs with JWT and role-based access control in Node.js?

You can secure APIs with JWT and role-based access control in Node.js using the authentication and authorization patterns provided. This Skill includes code examples for implementing robust access control mechanisms to protect server-side application endpoints.

How do I implement rate limiting and background jobs for asynchronous task processing?

Implement rate limiting and background jobs for asynchronous task processing using the traffic control patterns in this Skill. It provides practical code examples to manage API request volume and handle heavy operations asynchronously without blocking the main thread.