I am a Solution Architect responsible for setting up a project's infrastructure on Azure. The project should be running in multiple environments (dev, staging, prod). As far as I learned the best practice regarding environment separation in Azure is to use Resource Groups. That's what I did.
However, this is where things start getting tricky. Our application will use Azure AD as OAuth Authorization Server. I want to have my AD isolated, like everything else in my infrastructure. I don't want to accidentally modify a production user from the dev environment and for the dev environment, I want to be able to create a ton of test users which I don't want to see in production. So, isolation.
The problem is I don't see any option on how to do this. My first instinct was to create multiple ADs. But when I do that, they actually need to create a completely new tenant for each of these environments. This seems really messy to me. Have to support as many (almost empty) tenants as I want to have environments.
Please, what is the right way how to do this? Does Azure AD have some kind of support for isolation I require? Am I missing something?
Note: this question was also asked in MS Q&A.