Real-Time Auction Platform using Node and Express.js

Last Updated : 23 Jul, 2025

The project is a Real-Time Auction Platform developed using Node.js Express.js and MongoDB database for storing details where users can browse different categories of products, view ongoing auctions, bid on items, and manage their accounts. The platform also allows sellers to list their products for auction.

Output Preview: Let us have a look at how the final output will look like.

👁 Screenshot-2024-03-19-004622

Prerequisites:

Approach to create Real-Time Auction Platform:

Backend developed using Node.js and Express.js to handle HTTP requests and interact with the database.
MongoDB used to store user information, product listings, and auction data.
Frontend: Utilizes React.js to create a dynamic user interface for browsing categories, viewing item details, and placing bids.
Sellers can list products for auction, specifying details like name, description, price, starting date, and ending date.

Steps to create the Real-Time Auction Platform:

Step 1: Create the project folder using the following command.

mkdir auction-platform
cd auction-platform

Step 2: Create a new project directory and navigate to your project directory.

mkdir server
cd server

Step 3: Run the following command to initialize a new NodeJS project.

npm init -y

Step 4: Install the required the packages in your server using the following command.

npm install express body-parser cors mongoose

Project Structure(backend):

👁 Screenshot-2024-03-19-005006

The updated Dependencies in package.json :

"dependencies": {
 "axios": "^1.6.7",
 "body-parser": "^1.20.2",
 "cors": "^2.8.5",
 "express": "^4.18.3",
 "mongoose": "^8.2.1",
}

Code Example: Create the required files as shown in the folder structure and add the following codes.

Step 5: Start the Server

In the terminal, navigate to the server folder and run the following command to start the server:

node index.js

Step 6: Go to root directory and create the React application using the following command.

npx create-react-app client
cd client

Step 7: Install the required packages in your application using the following command.

npm i react-router-dom axios styled-components

Project Structure(frontend):👁 Screenshot-2024-03-13-181210

The updated Dependencies in package.json file will look like:

"dependencies": {
 "axios": "^1.6.7",
 "react": "^18.2.0",
 "react-dom": "^18.2.0",
 "react-router-dom": "^6.22.3",
 "react-scripts": "5.0.1",
 "styled-components": "^6.1.8",
 "web-vitals": "^2.1.4"
}

Code Example: Create the following files as shown in folder structure and add the following codes.