Terraform Tutorial

1. Terraform Introduction

The problem Infrastructure as Code solves, installing Terraform, and terraform init.

2. Providers, Resources & State

A complete provider and resource example, terraform plan/apply/destroy, and why the state file matters.

3. Variables, Modules & Workspaces

Parameterizing configuration with variables and outputs, building a reusable module, and managing environments with workspaces.

4. Remote State & Backends In Depth

A full S3 + DynamoDB backend, bootstrapping the backend itself, state locking conflicts, terraform state subcommands, and cross-stack outputs.

5. Terraform Modules In Depth

A complete reusable module with variable validation, locals, and outputs, plus versioning modules via Git refs and registry constraints.

6. Multi-Environment Strategies

Workspaces vs separate state files vs separate directories for managing staging, production, and beyond.

7. Testing & CI for Terraform

terraform fmt/validate/plan in CI, tflint and Checkov, and Terraform’s built-in test framework.

8. Terraform Interview Questions

Common Terraform interview questions on state, plan vs apply, modules, and remote backends.