HashiCorp Terraform enables you to safely and predictably create, change, and improve infrastructure. It is an open source tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.

1 Concept

1.1 Provision Process

• Refresh: Get the actual configuration.
• Plan: Compare desired configration with actual one and plan for new.
• Apply: Apply the new to real world.
• Destroy: Destroy the real world.

2 Architecture

3 Reference

https://www.terraform.io/