https://terragrunt.gruntwork.io/
https://github.com/gruntwork-io/terragrunt

https://terragrunt.gruntwork.io/docs/getting-started/quick-start/
https://terragrunt.gruntwork.io/docs/getting-started/overview/

2025
JoshGeissler - How I Use Terragrunt to Manage Terraform At Scale 0:00 of 17:21
    https://www.youtube.com/watch?v=p7oB_OsWNAU
    https://github.com/gruntwork-io/terragrunt-infrastructure-live-example/tree/main