Backend Patterns

This one gives you solid patterns for building maintainable APIs and backend services. It covers the repository pattern for clean data access, service layers for business logic, and proper middleware setup for auth and validation. The caching strategies are practical, showing Redis implementation and cache-aside patterns that actually work in production. Error handling is thoughtful with centralized handlers and retry logic. Most useful when you're moving beyond quick prototypes and need structure that won't become technical debt. The database optimization examples alone will save you from common N+1 query mistakes.

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skills.sh installs: 8.7K
GitHub stars: 229.1K
last updated: Jul 14, 2026

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Install

$ npx -y skills add affaan-m/everything-claude-code --skill backend-patterns --agent claude-code

Installs into .claude/skills of the current project.

Files

Backend Development Patterns

Backend architecture patterns and best practices for scalable server-side applications.

When to Activate

Designing REST or GraphQL API endpoints
Implementing repository, service, or controller layers
Optimizing database queries (N+1, indexing, connection pooling)
Adding caching (Redis, in-memory, HTTP cache headers)
Setting up background jobs or async processing
Structuring error handling and validation for APIs
Building middleware (auth, logging, rate limiting)

API Design Patterns

RESTful API Structure

// PASS: Resource-based URLs
GET    /api/markets                 # List resources
GET    /api/markets/:id             # Get single resource
POST   /api/markets                 # Create resource
PUT    /api/markets/:id             # Replace resource
PATCH  /api/markets/:id             # Update resource
DELETE /api/markets/:id             # Delete resource

// PASS: Query parameters for filtering, sorting, pagination
GET /api/markets?status=active&sort=volume&limit=20&offset=0