How To Connect MongoDB Database in a Node.js Applications ? Last Updated : 17 Oct, 2024 Summarize Comments Improve Suggest changes Share Like Article Like Report To connect MongoDB to a Node.js application, you can follow a simple process using the Mongoose library, which provides a flexible way to work with MongoDB. Mongoose acts as an Object Data Modeling (ODM) library, making it easier to structure and interact with MongoDB from Node.js.Prerequisites:Node jsMongoDBApproachTo connect MongoDB to the Node application, we willFirst, initialize the node.js project in the particular folder on your machine.install Mongoose npm package and import After this create a connection to the database using mongoose.connect methodSteps to Connect MongoDB Database with Node ApplicationStep 1: Create a project folder using the following command.mkdir mongodb-connectioncd mongodb-connectionStep 2: Initialize the node project using the following command.npm init -yStep 3: Install the required dependenciesnpm i express mongodb mongooseProject StructureOur file structure will look like the following:project folder structureDependencies"dependencies": { "express": "^4.19.2", "mongodb": "^6.7.0", "mongoose": "^8.4.1", }Example: This example demonstrates connection of mongo with node js. Node // index.js const express = require("express"); const app = express(); console.log("App listen at port 5000"); // To connect with your MongoDB database const mongoose = require("mongoose"); // Connecting to database mongoose.connect( "mongodb://localhost:27017/", { dbName: "yourDB-name", useNewUrlParser: true, useUnifiedTopology: true, }, (err) => err ? console.log(err) : console.log( "Connected to yourDB-name database") ); To start the application run the following command.nodemon index.js Connect MongoDB Database in a Node.js Applications Comment More infoAdvertise with us Next Article How to Connect Mongodb Authentication by Node.js? K krcpr007 Follow Improve Article Tags : Web Technologies Node.js Geeks Premier League Geeks-Premier-League-2022 NodeJS-Questions Similar Reads How to Connect Node to a MongoDB Database ? Connecting Node.js to MongoDB is a common task for backend developers working with NoSQL databases. MongoDB is a powerful, flexible, and scalable database that stores data in a JSON-like format. In this step-by-step guide, we'll walk through the entire process from setting up your development enviro 6 min read How to Connect to a MongoDB Database Using Node.js MongoDB is a NoSQL database used to store large amounts of data without any traditional relational database table. To connect to a MongoDB database using NodeJS we use the MongoDB library "mongoose". Steps to Connect to a MongoDB Database Using NodeJSStep 1: Create a NodeJS App: First create a NodeJ 4 min read How to Connect Mongodb Authentication by Node.js? MongoDB is a popular NoSQL database that provides high performance, high availability, and easy scalability. In many applications, you need to connect to a MongoDB database with authentication to ensure data security. This article will guide you through the process of connecting to a MongoDB databas 3 min read How to Create Database and Collection in MongoDB MongoDB is a widely used NoSQL database renowned for its flexibility, scalability, and performance in managing large volumes of unstructured data. Whether youâre building a small application or handling big data, MongoDB offers an easy-to-use structure for managing your data. In this article, we wil 6 min read How to Connect MongoDB with a Node.js Application using MongooseJS Mongoose is a powerful MongoDB object modeling library for Node.js enabling you to easily interact between your Node.js app and MongoDB. In this article we are going to explore how you can connect your Node.js app to MongoDB using MongooseJS. You will learn how to create a connection, specify schema 4 min read How to Connect Node.js Application to MySQL ? To connect the Node App to the MySQL database we can utilize the mysql package from Node Package Manager. This module provides pre-defined methods to create connections, query execution and perform other database related operations. Approach to Connect Node App to MySQLFirst, initialize the node.js 2 min read Like