- Creation of a simple node js application
- Installation and connection with DB
- Basic Commands used for the installtion
- Starting the application
To install a basic simple app for node firstly need to check the node version on the system
If node is not installed check the following documents for the node installation
Node.js — Download Node.js®After the start the application development
Once Node.js is installed, follow these steps to create the Node.js application:
Created a new directory for the project and navigate into it using the terminal or command prompt:
mkdir simple-nodejs-app
cd simple-nodejs-app
Initialize a new Node.js project by running the following command and following the prompts:
npm init
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This command will created a package.json file which will hold metadata of the project and its dependencies.
Install Express.js as a dependency for your project. Express.js is a minimalist web framework for Node.js:
npm install express
Create a file named app.js in your project directory.
app.js
// Import the Express.js module
const express = require('express');
// Create an Express application
const app = express();
// Define a route handler for the root URL '/'
app.get('/', (req, res) => {
res.send('Test Application!');
});
// Start the server and listen on port 3000
app.listen(3000, () => {
console.log('Server is running on http://localhost:3000');
});
Now run Node.js application by executing the app.js file using Node.js:
node app.js
Open your web browser and navigate to http://localhost:3000.
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Thank You