Every Terraform and GitHub Actions tutorial online shows you the same thing: a clean, working IAM policy, pasted in as if it arrived fully formed.

In Part 1 of this series, I built a reusable Terraform module structure for multi-tenant AWS infrastructure. In Part 2, I secured the Terraform state file with a remote S3 backend and DynamoDB-based locking.

In Part 1 of this series, I built a reusable Terraform module structure to provision multi-tenant AWS infrastructure, including EC2 instances, DynamoDB tables, and S3 buckets, all dynamically generated from a single module.