How to Connect Express.js Backend to Vue.js Frontend (Part 1)
Learn how to connect an Express.js backend with a Vue.js frontend from scratch in this step-by-step tutorial!
In this video (Part 1 of the Basic Express.js + Vue.js series), we walk through the foundational steps needed to build a full-stack Javascript application . You will learn how to initialize your Node.js environment, build a local Express server, set up a Vue project using Vite, and fetch data using Axios while resolving common Cross-Origin Resource Sharing (CORS) errors.
🕒 Timestamps
00:00 – Introduction & Project Overview (0:00)
00:15 – Initializing the Backend & Installing Dependencies (express, nodemon, cors) (0:10)
01:22 – Configuring package.json for ES Modules & Scripts (1:22)
02:05 – Creating the Express Server & Setting Up the Home Route (2:05)
04:44 – Testing the Backend on Port 3000 (4:44)
05:28 – Creating the Vue Frontend with Vite (npm create vue@latest) (5:28)
07:08 – Installing Axios & Fetching Data on Component Mount (onMounted) (7:08)
10:16 – Troubleshooting CORS Errors with Express CORS Middleware (10:16)
11:04 – Final Demo & Wrap-Up (11:04)
🛠️ Technologies Used
Node.js & Express.js (Backend Framework)
Vue.js (Frontend Framework via Vite)
Axios (HTTP Client for API requests)
Nodemon (Automated development server tool)
CORS (Cross-Origin Resource Sharing middleware)