Overview

Terraform is an Infrastructure as Code tool that describes resources using declarative configuration. It supports multiple providers and enables version control and automation of environments.

Installation

macOS

1
2

brew tap hashicorp/tap
brew install hashicorp/tap/terraform

If Homebrew reports an outdated Command Line Tools version, update with:

1

softwareupdate --install-rosetta

Linux

Download the binary from HashiCorp and place it in PATH.

Basic Usage

1. Write configuration files (.tf).
2. Run terraform init to download provider plugins.
3. Preview with terraform plan.
4. Apply changes using terraform apply.

Conclusion

Terraform brings reproducibility to infrastructure provisioning across cloud and on-premises environments.