If Your Infrastructure Exists Only as a Series of Clicks, You Have a Problem

You set up a server in the AWS Console. You click through security groups, configure load balancers, set up RDS. Everything works. Two months later, you need an identical staging environment. Can you reproduce it exactly?

Probably not. Because your infrastructure exists only as a series of clicks you've long forgotten. No documentation, no version history, no way to roll back. This is the core problem Infrastructure as Code (IaC) solves.

I've seen this pattern dozens of times with clients: a critical server goes down, and the person who set it up left the company six months ago. Nobody knows exactly how it was configured. Recovery takes days instead of minutes.

Terraform: your infrastructure blueprint

Instead of clicking through the AWS Console, you describe your infrastructure in code: