Terraform environments should be reviewable

Teams get the most value from Terraform when the environment boundary is explicit. Modules should describe reusable infrastructure. Environment configuration should describe the differences between development, staging, and production.

Terragrunt can keep that split clear by passing environment-specific inputs into a shared module. CI should run format, validation, and plans before apply, with production apply gated behind an explicit approval.

That workflow reduces drift and makes infrastructure changes easier to review.