backend-patterns

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

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

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides guidance and code examples for implementing common backend architecture patterns, ensuring scalable, maintainable, and efficient server-side applications.

Core Features & Use Cases

  • API Design: Learn best practices for RESTful and GraphQL API structures.
  • Database Optimization: Understand patterns for efficient querying, indexing, and transaction management.
  • Caching Strategies: Implement effective caching mechanisms like Redis and cache-aside.
  • Error Handling & Security: Build resilient applications with centralized error handling, authentication, and rate limiting.
  • Use Case: When designing a new microservice, use this Skill to implement the repository pattern for data access and apply JWT-based authentication middleware.

Quick Start

Apply backend patterns for API design and database optimization to a Node.js Express 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 my Node.js Express application to prevent N+1 query problems?

To prevent N+1 query problems in Node.js Express, apply the repository pattern for data access and use query optimization techniques. Separating data access logic enables efficient eager loading and proper transaction management.

What is the best way to handle authentication and rate limiting in Next.js API routes?

Handle authentication and rate limiting in Next.js API routes by applying middleware patterns. Use JWT-based authentication to verify identities and apply rate limiting strategies to control API traffic effectively.

How does the repository pattern help with database optimization in backend architecture?

The repository pattern centralizes data access logic to streamline database optimization. It allows consistent application of query indexing, cache-aside strategies, and transaction management, improving overall backend architecture efficiency.

How do I implement centralized error handling and structured logging in a Node.js backend?

Implement centralized error handling and structured logging in a Node.js backend using middleware patterns. Establish a global error handler to catch exceptions uniformly and integrate structured logging for reliable server-side monitoring.

Can I use Redis caching strategies with Express for background jobs?

Yes, you can use Redis caching strategies with Express for background jobs. Implement cache-aside patterns to cache data and offload long-running tasks to background job processors, building resilient server-side applications.

What backend patterns should I use for RESTful and GraphQL API design?

For RESTful and GraphQL API design, apply service and middleware patterns to separate business logic from routing. Combine with authorization rules and structured logging to ensure scalable and maintainable API structures.