CloudFormation and Terraform are both excellent tools, and they're sufficiently different that I've seen folks successfully using both. The pattern I've seen an

CloudFormation and Terraform are both excellent tools, and they're sufficiently different that I've seen folks successfully using both. The pattern I've seen and actually hope to implement at some point in my work is building a CloudFormation stack using Terraform and then yielding it to an external, specialised tool that will transactionally manage its lifecycle without all the faff of calling individual SDK methods.