How to Create a Basic Express Server in Node.js | MERN stack | 2025 | chatbot
It's time to bring our Node.js backend to life! In this tutorial, we'll install the essential dependencies for any web server: Express, CORS, and Mongoose.
You'll learn how to structure your code to create a clean Express app instance, set up your very first API route (a "health check" endpoint), and make your server listen for requests on a local port. We'll end by running the server and testing our new endpoint in the browser to confirm everything is working perfectly.
Timestamps:
00:00 - Installing Express, CORS, and Mongoose
00:19 - Setting Up the Express App in server.js
00:48 - Creating Your First API Route (/health)
01:26 - Making the Server Listen in index.js
02:24 - Running the Server with npm run start
02:38 - Testing the Live Endpoint in the Browser
#HowTo #ExpressJS #NodeJS #Backend #API #JavaScript #WebDevelopment #Coding
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