Connect Your Node.js App to MongoDB: A Beginner's Guide
Автор: sapernation
Загружено: 2024-02-26
Просмотров: 65
Let's break down how to create a Node.js project, set up a MongoDB database, and connect the two.
Create a new folder on your computer where you'll keep your project (for example, `my-mongo db-project`).
Open your terminal or command prompt and navigate to this newly created folder.
Run the following command to initialize a new Node.js project:
npm init -y
This creates a `package.json` file, which will manage your project's dependencies.
Install the required `mongo db` package to interact with Mongo DB from Node.js:
npm install mongo db
Create a MongoDB Atlas Account: Go to https://www.mongodb.com/cloud/atlas and sign up for a free account.
Create a Cluster: Follow the steps in the Atlas dashboard to deploy a new cluster. Choose the Free Tier option to start without costs.
Connection Settings: Retrieve your connection string from the Atlas dashboard after setting up a database user.
Connecting Your Node.js Project to Mongo DB
Create a JavaScript File: Inside your project folder, create a JavaScript file (for example, `app.js`).
Add the Connection Code: Paste the following code into `app.js`, and make sure to replace the `your connection string` placeholder with your actual MongoDB connection string (from Atlas or your local setup):
Run Your Project: In your terminal, execute your script:
node app.js
If successful, you should see a message in the console indicating that you've established a connection with your MongoDB database.
#nodejs
#mongodb
#webdevelopment
#database
#programming
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