A practical guide to the Terraform Registry: search and evaluate providers by tier, read documentation efficiently, install and pin them, and use modules and private registries.
A practical guide to linting Terraform code: built-in fmt and validate, TFLint rulesets, Checkov and Trivy security scans, pre-commit hooks and CI integration.
How to integration-test Terraform modules with the built-in terraform test command and Terratest, including runnable examples, a testing pyramid and common pitfalls.
A step-by-step approach to Terraform troubleshooting and monitoring: diagnose init, plan and apply failures, debug with TF_LOG, repair state safely and detect drift.
How to reuse infrastructure code with Terraform modules: module sources, inputs and outputs, for_each instances, moved blocks, publishing, and common mistakes.
