Learn how to build and connect a React frontend to a Node.js/Express backend. This complete guide covers project setup, API communication, authentication with JWT, handling CORS, environment configuration, and deploying both apps to production — everything you need to build a real full-stack application.
The MERN stack — MongoDB, Express, React, and Node.js — is a popular choice for full-stack JavaScript development. This guide shows you how to build a MERN application and deploy the backend as serverless functions, reducing infrastructure overhead while maintaining the flexibility of Express-style routing.
Node.js and Express are the most popular tools for building fast, scalable server-side applications with JavaScript. This complete guide covers everything from understanding the Node.js event loop to building RESTful APIs with Express, connecting to databases, and deploying your application to production.