Plan and Apply

Plan first

Plan shows create, update, and destroy actions without changing infrastructure.

terraform plan

Apply with review

Apply prompts for confirmation unless you pass -auto-approve (avoid auto-approve until you trust the plan).

terraform apply

Save a plan file

Useful when you want the exact reviewed plan applied later.

terraform plan -out=tfplan
terraform apply tfplan

Read the symbols

• + create
• ~ update in place
• -/+ replace (destroy then create)
• - destroy