What is the process for defining a Mongo Atlas connectionString in the node server.js file?

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To define a MongoDB Atlas connectionString in the node server.js file, you need to follow these steps:

1. Log in to your MongoDB Atlas account and navigate to the cluster that you want to connect to.

2. Click on the "Connect" button and select "Connect your application".

3. Choose your preferred language and version.

4. Copy the connectionString.

5. In your server.js file, paste the connectionString in a variable:

const uri = "your_connection_string";

1. To use the connectionString variable in your code, you can create a new instance of the MongoClient object and pass in the connectionString as a parameter:

const MongoClient = require('mongodb').MongoClient;

MongoClient.connect(uri, (err, client) => {
  // handle errors and connect to the database
});

1. You can now use the client object to interact with the MongoDB Atlas cluster.

Note: Make sure to replace "yourconnectionstring" with your actual connectionString.