Express Basics

Summary

A minimal, unopinionated web framework for Node.js that handles routing, middleware and HTTP plumbing — the most widely used framework for building Node APIs.

• 1Build a 'Hello World' Express server with a single route.
• 2Compare how much boilerplate this saves versus the raw `http` module from Phase 2.
• 3Read Express's own docs guide once, start to finish — it's short and worth it.