Learn FASTIFY with Real Code Examples
Updated Nov 25, 2025
Learning Path
Learn JavaScript/TypeScript and Node.js basics
Understand Fastify instance and routing
Add schema validation for routes
Use plugins and hooks effectively
Deploy Fastify API to production
Skill Improvement Plan
Week 1: Node.js fundamentals
Week 2: Fastify routes and schema
Week 3: Plugins and hooks
Week 4: Authentication & database integration
Week 5: Deployment and performance tuning
Interview Questions
What is Fastify and why use it?
How does Fastify achieve high performance?
Explain Fastify plugins and hooks
How do you validate request data in Fastify?
Compare Fastify with Express.js
Cheat Sheet
const fastify = require('fastify')() -> create Fastify instance
fastify.get/post(...) -> define routes
fastify.register(plugin) -> register plugins
fastify.addHook('onRequest', hook) -> lifecycle hooks
fastify.listen(port) -> start server
Books
Mastering Fastify
High-Performance Node.js with Fastify
Building APIs with Fastify
Fastify in Action
TypeScript and Fastify
Tutorials
Getting started with Fastify
Build REST APIs with Fastify
Define routes with schema validation
Use plugins and hooks effectively
Deploy Fastify server to production
Official Docs
https://www.fastify.io/
https://github.com/fastify/fastify
Community Links
Fastify GitHub
Node.js Discord/Slack
StackOverflow Fastify questions
Reddit r/node and r/javascript
YouTube Fastify tutorials
Community Support
Fastify GitHub
Node.js Discord and Slack channels
StackOverflow Fastify questions
Reddit r/node and r/javascript
Official documentation and tutorials