Building HTTP Servers

The runtime, the router and the middleware chain a request passes through.

3 concepts · 115 minutes

• The Node.js RuntimeJavaScript outside the browser: modules, streams, and a single thread doing a lot of I/O.
• Building an HTTP ServerRoutes, handlers, and the request lifecycle from socket to response.
• The Middleware PatternA pipeline of small functions around every request — auth, logging, parsing, all composable.