Challenges
Open Source Challenges
Hands-on challenges built around real open source tools. Filter by technology, work through real-world scenarios, and learn by doing, entirely in your browser.
TDD Challenges· 3 results
Beginner
The Foundation Stones
- Infrastructure as Code with OpenTofu
- Remote state management with GCS backend
- Dynamic resource provisioning with for_each
ChallengeBuilding CloudHaven
Intermediate
The Modular Metropolis
- OpenTofu module testing with tofu test
- Test-Driven Development (TDD) workflow
- Input validation with custom rules
ChallengeBuilding CloudHaven
Expert
The Guardian Protocols
- GitHub Actions for drift detection and plan/apply
- Integration tests with service containers
- Security scanning with Trivy
ChallengeBuilding CloudHaven
Start Curious.Break Things.Learn Together.Glow Brighter.
You bring your questions, your fixes, your ideas. We bring the challenges, the tooling, and the practitioners who care about the same problems you do.
Every spark starts with one person. Like Nyx, our firefly, together we brighten the whole open source ecosystem.
That's OffOn. always On. always Open. always Learning.
