Managing Dev, QA, and Production Environments in Terraform

Mastering Environment Isolation in Terraform

In the early stages of learning Infrastructure as Code (IaC), it is tempting to write a single set of Terraform files, run terraform apply, and call it a day. For a solo student working on a personal project, this works perfectly. However, as you transition into professional engineering roles, you will quickly encounter a fundamental reality: you can never test in production.