Does it include database integration guidance?

Yes, it provides repository patterns for data access, specifically showcasing SQL integration, connection pooling, and decoupling business logic from data layers.

How does it handle backend security?

It incorporates security best practices including Helmet for HTTP headers, CORS configuration, JWT-based authentication, and strict request validation via Zod.

Which frameworks does this skill support?

It primarily supports Express.js and Fastify, providing boilerplate and architectural patterns for both minimalist and high-performance requirements.

Can I use this for TypeScript projects?

Absolutely; the skill is designed with TypeScript in mind, including type-safe routes, DTOs, and interface definitions for all architectural layers.

Node.js Backend Patterns

Name: Node.js Backend Patterns
Author: HermeticOrmus

byHermeticOrmus

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API Development

Builds scalable, production-ready Node.js backend services using modern architectural patterns and best practices.

This skill provides comprehensive architectural guidance for building robust Node.js applications with Express or Fastify. It implements industry-standard patterns such as Layered Architecture (Controllers, Services, Repositories), Dependency Injection, and type-safe request validation. Whether you are developing RESTful APIs, GraphQL backends, or microservices, this skill ensures your codebase remains maintainable, secure, and performant through standardized patterns for error handling, authentication, and database integration.

Key Features

01Secure authentication and authorization middleware patterns

020 GitHub stars

03Layered Architecture implementation (Controller, Service, Repository patterns)

04Type-safe request validation and schema definition using Zod

05Dependency injection container for improved testability and decoupled code

06Standardized setups for Express.js and high-performance Fastify frameworks

Use Cases

01Implementing secure user authentication systems using JWT and role-based access control

02Building production-grade REST APIs with structured error handling and security headers

03Developing scalable microservices with consistent architectural patterns

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/after-the-third-cup nodejs-backend-patterns

For use in Claude.ai and ChatGPT

Download Skill