Terraform

Infrastructure-as-code across AWS, GCP, and Azure.

What is Terraform?

HashiCorp’s infrastructure-as-code tool. Describe your cloud resources (clusters, databases, networking, IAM) in HCL, run ‘terraform apply’, and get reproducible infrastructure across AWS, GCP, and Azure. We use it to spin up the EKS clusters our students deploy their capstones to.

Key Features

HCL — declarative, designed for infrastructure
Providers for every cloud + 3000+ SaaS products
Remote state in S3/GCS/Terraform Cloud
Modules — package + share infrastructure patterns
Plan/apply workflow shows diffs before changes
Workspaces for environment isolation (dev/staging/prod)

FAQ

Terraform or Pulumi or OpenTofu? +

Terraform if you want the biggest ecosystem and provider coverage. Pulumi if you prefer real programming languages (TS / Python / Go) over HCL. OpenTofu is the open-source fork after HashiCorp's licence change — drop-in compatible with Terraform.