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Lightning Talk: Staying in Sync: Managing Upgrades in OpenTofu and Terraform Modul...

Lightningat OpenTofu Day Europe 2026 · on Monday, 2026-03-23· [devops-and-delivery, infrastructure-as-code]
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slides:none on file

Practical guidance for upgrading OpenTofu and keeping Terraform modules reproducible, with concrete rules: pin versions to MAJOR.MINOR.PATCH in versions.tf, prefer semantic versioning for modules so consumers never get breaking changes unexpectedly, and use automation to catch problems before apply. The demo shows state migration when running openTofu init and openTofu apply, recommends tools like terraform-provider-migrate and CI bots, and includes a GitHub repo with a deliberately failing Action to practice fixes.

AI-written summary · about

  1. 0:00Versioning in IaC
  2. 1:51Why upgrades break
  3. 2:55Pin all versions
  4. 4:01Version constraints explained
  5. 5:25Modules as APIs
  6. 6:29Automating upgrades
  7. 8:56Key takeaways
  8. 10:04Q&A
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