Terraform Plan is the Terraform operation that calculates and presents required changes without immediately applying them.
Simple definition
Terraform Plan is the Terraform operation that calculates and presents required changes without immediately applying them. It belongs to the Cloud / DevOps vocabulary and is useful when reading architecture diagrams, product documentation, logs, or administration procedures.
What is it used for?
Its main purpose is to review creates, updates, and destroys before changing infrastructure. The practical value depends on the surrounding architecture, security model, and operational requirements.
How does it work?
Terraform refreshes required data, compares configuration, state, and remote resources, then produces an ordered list of proposed actions.
Key points
- Scope: The Terraform operation that calculates and presents required changes without immediately applying them.
- Operational goal: Review creates, updates, and destroys before changing infrastructure.
- Implementation: Terraform refreshes required data, compares configuration, state, and remote resources, then produces an ordered list of proposed actions.
Points to watch
Protect state, pin versions, and review plans; IaC automation can propagate a configuration error very quickly.
In short
Terraform Plan = the Terraform operation that calculates and presents required changes without immediately applying them. Use it when you need to review creates, updates, and destroys before changing infrastructure.