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Shawn-Guo-CN
Shawn-Guo-CNCOMMUNITY
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backend-patterns

Provide Node.js, Express, and Next.js backend architecture patterns and best practices.

Updated Feb 15, 2026
Search Tags:#caching#authentication#database#api design#backend#node.js#express
One-click install
npx skills add https://github.com/Shawn-Guo-CN/agentfoundry-plugin-marketplace --skill backend-patterns-shawn-guo-cn
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: backend-patterns
Source: https://github.com/Shawn-Guo-CN/agentfoundry-plugin-marketplace/tree/main/plugins/backend-patterns
Command: npx skills add https://github.com/Shawn-Guo-CN/agentfoundry-plugin-marketplace --skill backend-patterns-shawn-guo-cn

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides guidance and code examples for building robust, scalable, and maintainable backend systems, addressing common challenges in API design, database optimization, and server-side logic.

Core Features & Use Cases

  • API Design: Learn RESTful principles, repository, service, and middleware patterns.
  • Database Optimization: Understand query optimization, N+1 prevention, and transactions.
  • Caching: Implement Redis caching and cache-aside strategies.
  • Error Handling: Utilize centralized error handlers and retry mechanisms.
  • Authentication: Implement JWT validation and role-based access control.
  • Rate Limiting: Set up in-memory rate limiters.
  • Background Jobs: Use a simple job queue for asynchronous tasks.
  • Logging: Implement structured logging for better monitoring.

Quick Start

Use the backend-patterns skill to generate an example of the repository pattern for a 'users' resource.

Frequently Asked Questions about backend-patterns

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

FAQPage Schema
How do I structure scalable backend architecture in Node.js and Express?▼

Prevent N+1 query problems in database optimization by using eager loading or batch fetching. This approach fetches related data in a single query rather than issuing separate queries per item, drastically reducing database load.

What is the best way to implement Redis caching with cache-aside strategy?▼

The Redis caching cache-aside strategy checks the cache before querying the database and writes data back to Redis on a miss. This pattern reduces database load and improves API response times for frequently accessed data.

How do I set up centralized error handling and JWT validation in Express?▼

Structured logging formats application logs into consistent, queryable JSON fields for better monitoring. Rate limiting restricts incoming API requests per client using an in-memory store to prevent abuse and ensure fair resource allocation.

Can I use Next.js API routes with background jobs and a job queue?▼

Next.js API routes support backend patterns including a simple job queue for background jobs. This enables asynchronous task processing, offloading long-running operations from the main request cycle for better responsiveness.

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