MongoDB Atlas is a SaaS for MongoDB. They provides Free Trial.

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Create MongoDB Atlas

Create an account of MongoDB Atlas.

https://www.mongodb.com/atlas/database

Create New Project

Database Deployment

Build a Database in DEPLOYMENT > Database

• Select M0 Free
• Select your Provider, like AWS
• Select your Region, like Seoul

Keep saving of User ID and password.

Almost Done

Now your connection information is on Connect button.