IaC Plan / What-If
Problem
You changed three lines of infrastructure code.
Applying them directly to production might unexpectedly delete or replace something.
You want to know:
What will this change actually do?
Solution — Plan / What-If
The tool compares desired configuration with existing infrastructure.
+ create X
~ modify Y
- delete Z
You inspect the proposed changes before applying them.
Core idea: planning separates understanding an infrastructure change from executing it.