What Code Can Create a Web Server?


Angela Bailey

Creating a web server is an essential skill for any web developer. It allows you to host and serve your web applications, websites, or APIs to users across the internet. In this tutorial, we will explore the code required to create a basic web server.


To follow along with this tutorial, you should have a basic understanding of HTML, CSS, and JavaScript. Additionally, you should have Node.js installed on your machine.

Setting Up the Project

To get started, create a new directory for your project and navigate into it using the command line:

mkdir my-web-server
cd my-web-server

Next, initialize a new Node.js project by running the following command:

npm init -y

This will create a package.json file with default values.

Installing Dependencies

To create a web server in Node.js, we will be using the Express.js framework. Express is a fast and minimalist web application framework that provides robust routing and middleware features.

To install Express as a dependency for your project, run the following command:

npm install express

This will download and install Express into a node_modules directory in your project folder.

Creating the Web Server

In order to create our web server, we’ll need to write some code. Create a new file called server.js, and open it in your preferred text editor.

Add Required Dependencies

In our server.js file, we need to require Express so we can use it in our code. Add the following line at the top of the file:

const express = require('express');

Create an Instance of Express

Next, we will create an instance of the Express application. Add the following code below the previous line:

const app = express();

Create a Basic Route

Now that we have our Express application set up, let’s create a basic route that responds with “Hello, World!” to any HTTP GET request.

Add the following code below the previous lines:

app.get('/', (req, res) => {
res.send('Hello, World!');

Starting the Server

We are almost there! Now, let’s start our web server by adding one final line of code at the end of server.js:

app.listen(3000, () => {
console.log('Web server is running on port 3000');

Testing the Web Server

To test our web server, open your browser and navigate to http://localhost:3000/. You should see a page displaying “Hello, World!”.

Congratulations! You have successfully created a web server using Node.js and Express.


In this tutorial, we covered how to create a basic web server using Node. We learned about setting up a project, installing dependencies, creating routes, and starting the server. Now that you have a solid foundation in building web servers in Node.js, you can further explore more advanced topics like handling different HTTP methods or serving static files.

Remember to experiment and customize your web server to suit your specific needs. Happy coding!

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