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Infrastructure as Code & automation

One course, three levels. Beginner establishes what IaC is and the fundamentals of Terraform and configuration management. Intermediate scales Terraform (modules, remote state, environments) and adds the wider toolset — OpenTofu, Pulumi, CloudFormation, Crossplane, Helm, Kustomize, Terragrunt. Advanced makes it secure and production-grade: policy-as-code and scanning, GitOps delivery, testing, and secrets. Every tool named, explained in detail with worked examples, and every section ends with a self-test; a rotating final exam draws from them all.

Beginner9 sections · 23 lessons · ~11h total · 46-question self-test

01

Beginner · Foundations

3 lessonsTest yourself

01What Infrastructure as Code isManage infrastructure like source code.12 min 02Declarative vs imperativeDescribe the end state, not the steps.10 min 03The IaC & automation tool landscapeProvisioning, config, templating, policy, GitOps.12 min

02

Beginner · Terraform basics

3 lessonsTest yourself

01Terraform: providers, resources & HCLThe core building blocks.14 min 02State: the heart of TerraformHow Terraform tracks reality.14 min 03plan, apply & destroyThe Terraform workflow, safely.12 min

03

Beginner · Configuration management

2 lessonsTest yourself

01Ansible: playbooks & inventoryAgentless config over SSH.14 min 02Chef, Puppet & SaltThe config-management landscape.12 min

04

Intermediate · Terraform at scale

4 lessonsTest yourself

01Modules: reusable infrastructureDRY infrastructure you can share.14 min 02Remote state & lockingState for teams, done safely.14 min 03Workspaces & environmentsdev, staging, prod from one codebase.12 min 04Terragrunt: keeping it DRYWrap Terraform for many environments.10 min

05

Intermediate · Beyond Terraform

2 lessonsTest yourself

01OpenTofu & PulumiThe fork, and IaC in real languages.12 min 02CloudFormation & CrossplaneCloud-native and Kubernetes-native IaC.12 min

06

Intermediate · Kubernetes IaC

2 lessonsTest yourself

01Helm: the Kubernetes package managerTemplate and release K8s apps.14 min 02Kustomize: template-free overlaysPatch manifests per environment.12 min

07

Advanced · Policy & scanning

2 lessonsTest yourself

01Policy-as-code: OPA, Conftest & SentinelEnforce rules on infrastructure.14 min 02Scanning: Checkov, tfsec/Trivy, Terrascan, KICSCatch misconfigurations before apply.14 min

08

Advanced · GitOps for infrastructure

2 lessonsTest yourself

01GitOps: Atlantis, Argo CD & FluxGit as the source of truth for infra.14 min 02Drift detection & remediationWhen reality diverges from code.12 min

09

Advanced · Testing & secrets

3 lessonsTest yourself

01Testing IaC: Terratest & InSpecProve infrastructure works before prod.12 min 02Secrets in IaC: SOPS & VaultKeep credentials out of state and code.12 min 03Module & provider supply chainTrust the code you did not write.12 min

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Final exam

Test yourself on everything

46 questions drawn from all 9 sections — every answer explained as you pick.

Start final exam