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Kimjiman
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backend-patterns

Guide backend architecture patterns for Node.js, Express, and Next.js applications.

Updated May 24, 2023
Search Tags:#authentication#api design#backend#next.js#node.js#architecture patterns#database optimization
One-click install
npx skills add https://github.com/Kimjiman/basic-arch --skill backend-patterns-kimjiman
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: backend-patterns
Source: https://github.com/Kimjiman/basic-arch/tree/main/.claude/skills/backend-patterns
Command: npx skills add https://github.com/Kimjiman/basic-arch --skill backend-patterns-kimjiman

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 scalable and maintainable applications.

Core Features & Use Cases

  • API Design: Implement RESTful and GraphQL API structures, including resource-based URLs and query parameter usage.
  • Architectural Patterns: Apply Repository, Service, and Middleware patterns for modular and testable code.
  • Database Optimization: Learn techniques for query optimization, N+1 prevention, and transaction management.
  • Caching: Implement caching strategies using Redis and the cache-aside pattern.
  • Error Handling: Establish centralized error handling and implement retry mechanisms with exponential backoff.
  • Authentication & Authorization: Secure APIs using JWT and implement role-based access control.
  • Rate Limiting: Protect APIs from abuse with in-memory rate limiting.
  • Background Jobs: Utilize simple queue patterns for asynchronous processing.
  • Logging: Implement structured logging for better monitoring and debugging.
  • Use Case: A developer needs to design a new microservice API and wants to ensure it follows best practices for scalability, security, and maintainability. They would consult this Skill for guidance on structuring their code, handling data, and securing endpoints.

Quick Start

Use the backend-patterns skill to implement a JWT-based authentication middleware for a Next.js API route.

Frequently Asked Questions about backend-patterns

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

FAQPage Schema
How do I implement JWT-based authentication middleware in a Next.js API route?▼

To implement JWT authentication in Next.js, you validate JSON Web Tokens within your API route middleware to secure endpoints and establish user identity before processing requests.

What's the best way to structure a Node.js backend for scalability and maintainability?▼

The best way to structure a Node.js backend is applying repository, service, and middleware architectural patterns, which separates data access from business logic to ensure modular, testable code.

How do I prevent N+1 query problems and optimize database performance in Express?▼

To prevent N+1 query problems and optimize database performance in Express, use specific query optimization techniques and implement strict transaction management to reduce redundant database calls.

How does Redis caching work with the cache-aside pattern in backend APIs?▼

Redis caching using the cache-aside pattern works by having your application check the cache first, fetching from the database on a miss, and storing the result back in Redis to accelerate subsequent API requests.

Can I use role-based access control for securing RESTful APIs?▼

Yes, you can secure RESTful APIs using role-based access control by defining specific user permissions and enforcing them via middleware to restrict endpoint access based on authenticated user roles.

How do I handle background jobs and rate limiting in a Node.js application?▼

To handle background jobs in Node.js, utilize simple queue patterns for asynchronous processing, and protect APIs from abuse by implementing in-memory rate limiting to throttle excessive client requests.

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