backend-patterns

Provide backend architecture patterns for Node.js REST and GraphQL APIs.

8|Updated Apr 9, 2026

Search Tags:#architecture #caching #backend #patterns #error-handling #nodejs #api-design

Ready to run

npx skills add https://github.com/D0NMEGA/donnyclaude --skill backend-patterns-d0nmega

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: backend-patterns
Source: https://github.com/D0NMEGA/donnyclaude/tree/main/packages/skills/backend-patterns
Command: npx skills add https://github.com/D0NMEGA/donnyclaude --skill backend-patterns-d0nmega

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Backend architecture patterns and best practices for building scalable, maintainable server-side applications using Node.js, Express, and Next.js API routes.

Core Features & Use Cases

RESTful API Structure: design clear, resource-based endpoints with robust error handling and validation.
Pattern Libraries: repository/service/controller layers, middleware patterns, and structured error handling.
Performance & Maintainability: caching strategies, database query patterns (N+1 prevention, indexing), background jobs, and logging/monitoring to support production systems.

Quick Start

Install and apply these patterns to structure your API layer and start building scalable Node.js backends.

Frequently Asked Questions about backend-patterns

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

FAQPage Schema

How do I structure a scalable Node.js API using repository, service, and controller patterns?▼

Scalable Node.js API architecture uses repository, service, and controller patterns to separate data access, business logic, and routing concerns. This layered approach ensures maintainable backend services by preventing code entanglement and simplifying targeted debugging.

What's the best way to handle errors and validate requests in a Node.js backend?▼

Node.js backend error handling is best managed through structured middleware patterns that centralize validation and exception catching. Applying consistent error-handling middleware across your API routes ensures predictable HTTP responses and prevents unhandled exceptions from crashing the server.

Can I apply these backend architecture patterns to Next.js API routes?▼

These backend architecture patterns directly support Next.js API routes alongside standard Express and Node.js implementations. You can apply repository, service, and controller layers within Next.js route handlers to maintain scalable and structured server-side logic.

How does caching prevent database N+1 query problems in Node.js applications?▼

Caching strategies prevent database N+1 query problems in Node.js applications by intercepting repetitive data fetches and serving cached results. Implementing targeted caching alongside proper data indexing reduces redundant database queries and significantly improves API performance.

When do I need background jobs and logging for maintainable API services?▼

Background jobs and logging are needed for maintainable API services when handling long-running processes or monitoring production systems. Implementing background tasks offloads heavy operations, while structured logging provides observability for tracking API performance and diagnosing errors.