Terragrunt: deleting the boilerplate you were told to write

Tue, 19 May 2026 00:08:30 +0000

Terragrunt exists to keep you DRY, and then you open a mature Terragrunt repository and find ninety terragrunt.hcl files that are eighty percent identical. There’s a joke in there somewhere.

It isn’t Terragrunt’s fault. The default onboarding path — copy the folder next door, change the inputs — is the fastest way to a working stack and the slowest way to a maintainable one. Here’s what I strip out when I inherit one of these.

Iac on DevOps & Rock'N'Roll

Terragrunt: deleting the boilerplate you were told to write