Refactoring Terraform HashiCorp Developer

Summary

How to make backward-compatible changes to modules already in use.

Highlights

The example above records that the resource currently known as aws_instance.b was known as aws_instance.a in a previous version of this module. ([View Highlight] (https://read.readwise.io/read/01gzjhj7rk9dfxw8w3vzqmm9gh))