fastify-best-practices

Comprehensive guidance for building Fastify Node.js backends with TypeScript, covering routes, plugins, validation, and production deployment. Use this skill when you need to: A minimal, runnable Fastify server to get started immediately: Read individual rule files for detailed explanations and code examples: - Covers 16+ core topics including plugins, route organization, JSON Schema validation, error handling, hooks, authentication, testing, logging with Pino, and TypeScript integration via strip types - Includes recommended reading paths for common scenarios: new projects, adding authentication, performance optimization, testing setup, and production deployment - Addresses full request lifecycle management, response serialization, CORS and security headers, WebSocket support, database integration, and HTTP proxying - Emphasizes schema-first development, plugin encapsulation, async/await patterns, and Fastify's built-in performance optimizations with minimal external dependencies - Develop backend applications using Fastify - Implement Fastify plugins and route handlers - Get guidance on Fastify architecture and patterns - Use TypeScript with Fastify (strip types) - Implement testing with Fastify's inject method - Configure validation, serialization, and error handling - New to Fastify? Start with plugins.md → routes.md → schemas.md - Adding authentication: plugins.md →...