Fastify

What is Fastify?

• Web framework for Node.js
• Build to be performant & secure
• Inspired by Express & Hapi

Why use Fastify?

• Full async/await support
• Helpful and flexibly TypeScript support
• Rich and high-quality ecosystem
• Secure
• It's fast

Note: Will be using TypeScript, ESM & async/await Fastify does support JS, CJS and callbacks

What are we covering?

The basics

• Build an instance of Fastify
• Start the server
• Register a route
• Request & reply
• Graceful shutdown

Plugins & register

https://www.fastify.io/docs/latest/Reference/Plugins/

• Register routes as plugins
• Register external plugins
• Register with options
• Call order

Decorators

https://www.fastify.io/docs/latest/Reference/Decorators/

• Modify the request object - addHook
• Add functionality to the Fastify instance - decorate

Request hooks

https://www.fastify.io/docs/latest/Reference/Hooks

• Lifecycle hooks

Validation

• Validate requests
• Validate responses

Bonus