What is MongoDB atlas :

It is a database as a service where we could upload our data to the popular cloud providers such as AWS , azure, GCP .

setup :

1. Crate a new project .
   

2. Select the free tire and then choose the cloud provider .
   

3. Navigate to the create a new user under the security section and then add a new user with password .

4. and finally we can click on the connect button and then click on connect to our application .

5. Then integrate that URI in your application with your username and password .

Here i am using node.js with mongoose as an odm(object document mapper)

mongoose.connect('mongodb+srv://admin:<password>@cluster0.jaomd.mongodb.net/<dbname>?retryWrites=true&w=majority', {useNewUrlParser: true});

• replace with your username , password and dbname .

• Now we can execute CRUD operations on our database .