backend-patterns

Guide Node.js, Express, and Next.js API routes with backend architecture patterns.

2|Updated Mar 15, 2025

Search Tags:#architecture #security #caching #database #api design #backend #patterns

Ready to run

npx skills add https://github.com/dandudzi/dotfiles --skill backend-patterns-dandudzi

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: backend-patterns
Source: https://github.com/dandudzi/dotfiles/tree/main/dot_claude/skills/backend-patterns
Command: npx skills add https://github.com/dandudzi/dotfiles --skill backend-patterns-dandudzi

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a comprehensive guide to backend architecture patterns, enabling developers to build scalable, maintainable, and efficient server-side applications.

Core Features & Use Cases

Architectural Patterns: Implement patterns like Repository, Service Layer, and Middleware for cleaner code.
Database Optimization: Learn techniques to prevent N+1 queries, optimize indexing, and use transactions.
Caching Strategies: Understand and implement various caching mechanisms (Redis, CDN) for improved performance.
Error Handling & Security: Master robust error handling, authentication, authorization, and rate limiting.
Use Case: When designing a new API, consult this Skill for best practices on structuring your code, handling database interactions, and securing endpoints.

Quick Start

Use the backend-patterns skill to understand the repository pattern for data access.

Frequently Asked Questions about backend-patterns

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

FAQPage Schema

How do I structure backend architecture in Node.js to keep my code maintainable?▼

To structure backend architecture in Node.js, implement the Repository, Service Layer, and Middleware patterns to separate data access, business logic, and request handling. This separation ensures your server-side applications remain scalable and maintainable.

What is the best way to prevent N+1 query problems in my database?▼

The best way to prevent N+1 query problems in database optimization is by applying proper query techniques and indexing strategies. This Skill provides guidance on refactoring data access using the repository pattern to execute efficient batched queries.

How does Redis caching improve backend API performance?▼

Redis caching improves backend API performance by storing frequently accessed data in memory, reducing database load. This Skill explains how to implement various caching mechanisms alongside CDN strategies to significantly decrease server response times.

Can I use these backend patterns with Next.js API routes?▼

Yes, you can use these backend patterns with Next.js API routes. The Skill provides specific server-side best practices for Node.js, Express, and Next.js environments, covering service layer implementation and transaction management.

How do I implement JWT validation and RBAC for API security?▼

To implement JWT validation and Role-Based Access Control (RBAC) for API security, apply robust error handling and authorization middleware. This Skill covers security measures including rate limiting to protect your endpoints from unauthorized access.

When should I use transaction management in my database operations?▼

You should use transaction management in database operations when executing multiple related queries that must succeed or fail together. This prevents data inconsistency and is a core server-side best practice covered in this Skill's database optimization guidance.