Let's say you need to configure a provider for 3 different regions. The natural way you want to do this is store the regions in a variable, and iterate over the

Let's say you need to configure a provider for 3 different regions. The natural way you want to do this is store the regions in a variable, and iterate over the variable using "for_each". What you are referring to are called "provider aliases" and they work well for _avoiding_ using terragrunt (not very DRY though).