With a for loop, you can iterate through the keys and values of a map, applying custom logic to each element.
This logic can involve filtering out certain elements, generating new keys or values, and creating entirely new maps based on the original data.
In this blog post, we’re diving deep into the art of map transformation using the powerful for-loop construct.
Map Transformation in Terraform
When you want to create a new map that’s based on an existing map but with slight modifications to the values or keys. This can be useful for creating variations of configurations.