Azure SQL Managed Instance is fully managed SQL Server instance hosted in Azure cloud. You would need to prepare Azure environment where SQL Managed Instance will be hosted before you create your Managed Instances. In this post you will see how to deploy configured Azure environment using ARM template. One of the most difficult tasks... Read more

https://blogs.msdn.microsoft.com/sqlserverstorageengine/2018/07/02/deploy-azure-sql-managed-instance-network-environment-using-arm/