GoogleCloudPlatform/terraformer

A CLI tool that generates tf/json and tfstate files based on existing infrastructure (reverse Terraform).

5 Demo Projects to Master Terraform

A Project Structure for Packer and Terraform

Using Packer to build AMIs and Terraform and some scripts to deploy them.

Terragrunt

Useful mostly for managing multiple “stacks” (e.g., prod, staging) with one set of code, it appears.

Terraform as part of the software supply chain, Part 1 - Modules and Providers

Terraform Enterprise: Attack the Metadata Service - Hacking The Cloud