cosmosDB.json

{
    "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "accountName": {
            "type": "string",
            "metadata": {
                "description": "Cosmos DB account name"
            }
        },
        "location": {
            "type": "string",
            "defaultValue": "[resourceGroup().location]",
            "metadata": {
                "description": "Location for the Cosmos DB account."
            }
        },
        "databaseName": {
            "type": "string",
            "metadata": {
                "description": "The name for the Core (SQL) database"
            }
        },
        "resourceTags": {
            "type": "object",
            "metadata": {
                "description": "The tags that will be assigned to the cosmos db account and db."
            }
        }
    },
    "resources": [
        {
            "type": "Microsoft.DocumentDB/databaseAccounts",
            "apiVersion": "2020-03-01",
            "name": "[parameters('accountName')]",
            "location": "[parameters('location')]",
            "tags": "[parameters('resourceTags')]",
            "properties": {
                "enableFreeTier": true,
                "databaseAccountOfferType": "Standard",
                "consistencyPolicy": {
                    "defaultConsistencyLevel": "Session"
                }
            }
        },
        {
            "type": "Microsoft.DocumentDB/databaseAccounts/sqlDatabases",
            "apiVersion": "2020-03-01",
            "name": "[concat(parameters('accountName'), '/', parameters('databaseName'))]",
            "dependsOn": [ "[resourceId('Microsoft.DocumentDB/databaseAccounts', parameters('accountName'))]" ],
            "tags": "[parameters('resourceTags')]",
            "properties": {
                "resource": {
                    "id": "[parameters('databaseName')]"
                },
                "options": { "throughput": 400 }
            }
        }
    ]
}