Uploading your JSON data to Azure Cosmos DB for MongoDB API
If you have built an application and are currently storing the data in a static JSON file, you may want to consider the MongoDB API for Microsoft Azure's Cosmos DB. You will have the document data storage you require for your application with the full management of Microsoft Azure with Cosmos DB along with the ability to scale out globally. This will permit you to create replication to regions where your customers are.
https://dev.to/azure/uploading-your-json-data-to-azure-cosmos-db-for-mongodb-api-1mh9