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Infrastructure as Code & automation

Beginner9 sections · 23 lessons · ~11h total · 46-question self-test
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01

Beginner · Foundations

3 lessonsTest yourself
01What Infrastructure as Code isManage infrastructure like source code.12 min02Declarative vs imperativeDescribe the end state, not the steps.10 min03The 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 min02State: the heart of TerraformHow Terraform tracks reality.14 min03plan, apply & destroyThe Terraform workflow, safely.12 min
03

Beginner · Configuration management

2 lessonsTest yourself
01Ansible: playbooks & inventoryAgentless config over SSH.14 min02Chef, Puppet & SaltThe config-management landscape.12 min
04

Intermediate · Terraform at scale

4 lessonsTest yourself
01Modules: reusable infrastructureDRY infrastructure you can share.14 min02Remote state & lockingState for teams, done safely.14 min03Workspaces & environmentsdev, staging, prod from one codebase.12 min04Terragrunt: 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 min02CloudFormation & 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 min02Kustomize: 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 min02Scanning: 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 min02Drift detection & remediationWhen reality diverges from code.12 min
09

Advanced · Testing & secrets

3 lessonsTest yourself
01Testing IaC: Terratest & InSpecProve infrastructure works before prod.12 min02Secrets in IaC: SOPS & VaultKeep credentials out of state and code.12 min03Module & provider supply chainTrust the code you did not write.12 min
Final exam
Test yourself on everything
46 questions drawn from all 9 sections — every answer explained as you pick.
Start final exam