Variables and Variable Types in Terraform

Lesson: Mastering Variables and Variable Types in Terraform

In the early stages of learning Infrastructure as Code (IaC), it is tempting to write "static" configurations. You might write a script that creates a single AWS EC2 instance with a specific name, a specific instance type, and a specific region. This works perfectly for a single exercise. However, the moment you need to deploy that same infrastructure to a staging environment and then a production environment, static code becomes a liability.