소개
This skill provides a comprehensive toolkit for developing robust, production-grade Node.js backend applications using modern frameworks like Express and Fastify. It guides developers through implementing sophisticated architectural patterns such as Layered Architecture and Dependency Injection, while offering standardized implementations for authentication, request validation, error handling, and database integration. Whether building microservices or monolithic REST APIs, this skill ensures codebases remain maintainable, secure, and performant by following industry-standard backend conventions and Type-safe patterns.