This lesson focuses on Terragrunt Repository Design and Environment Inheritance and its role in the wider managing multi-environment Terraform with Terragrunt while using Vault for dynamic secrets, identity-based access, secure pipelines, dependency orchestration, and controlled operations workflow.
Learners work with the actual design choices, dependencies, controls, and failure modes that distinguish this topic from a generic Terraform exercise.
Build a live repository for two environments and multiple infrastructure components.
Replace copied backend and provider settings with controlled inheritance.
Environment differences are explicit and common configuration is defined once.
Resolve include-path errors, hidden overrides, merge behavior, and confusing directory structure.
Learners isolate the smallest verified cause, correct it, rerun the relevant validation step, and record the preventive action in the course improvement log.