Fastify is one of the fastest web frameworks for Node.js. It provides schema-based validation, plugin architecture, and TypeScript support — processing 30K+ requests/second.

Installation

npm install fastify

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Basic Server

import Fastify from " fastify " ;

const app = Fastify ({ logger : true });

app . get ( " / " , async () => { return { message : " Hello from Fastify! " }; });

app . get ( " /users/:id " , async ( request ) => { const { id } = request . params ; return { id , name : " User " + id }; });

await app .…