Express

ELI5 — The Vibe Check

Express is the most popular framework for building Node.js backends. It's minimal and unopinionated — it gives you just enough to define routes and middleware without telling you how to structure everything else. Think of it as the no-frills workhorse of Node.js backends.

Real Talk

Express.js is a minimal, unopinionated web framework for Node.js. It provides a thin layer of web application features (routing, middleware, HTTP utilities) without enforcing project structure. Powers a massive portion of Node.js APIs and is the foundation for frameworks like NestJS.

Show Me The Code

const express = require('express');
const app = express();

app.get('/hello', (req, res) => {
  res.json({ message: 'Hello World' });
});

app.listen(3000);

When You'll Hear This

"Build a quick REST API with Express." / "Express is unopinionated — you bring your own structure."