Moving forward in our web development journey, we're now shifting our focus to the back-end, the behind-the-scenes powerhouse that drives our website. We'll be using Node.js and Express to build our server.
Think of Node.js and Express as the basement of our house, hidden from view but providing essential functions like heating, electricity, and plumbing systems. Node.js is a JavaScript runtime that allows us to run JavaScript on our servers, and Express is a framework that makes it easier to build web applications.
Let's create a simple web server with Node.js and Express:
const express = require('express');
const app = express();
const port = 3000;
app.get('/', (req, res) => {
res.send('Hello World!');
});
app.listen(port, () => {
console.log(`Server listening at http://localhost:${port}`);
});
In this example, we create an Express application. We then define a route handler for the root URL ("/") that sends "Hello World!" when accessed. Finally, we tell our application to listen on port 3000.
In our next article, we'll discuss how to store and retrieve data with MongoDB. Keep exploring! 🚀👩💻