Open Source Challenges
Each adventure focuses on one open source technology, with challenges at different difficulty levels. Pick your adventure, work through real-world scenarios hands-on, and share what you learn with the community.
Filtered Challenges
3 challenges · Terraform
The Foundation Stones
- Infrastructure as Code with OpenTofu
- Remote state management with GCS backend
- Dynamic resource provisioning with for_each
The Modular Metropolis
- OpenTofu module testing with tofu test
- Test-Driven Development (TDD) workflow
- Input validation with custom rules
The Guardian Protocols
- GitHub Actions for drift detection and plan/apply
- Integration tests with service containers
- Security scanning with Trivy
Challenge Builders
Adventures don't build themselves. A heartfelt thank you to everyone who has put in the time and care to create them.
DevRel at Dynatrace and co-organizer of Cloud Native Linz. Passionate about building user-friendly Cloud Native and Kubernetes solutions, with a background in mobile and backend development. Found in tech and sports communities, inline skating rinks, and quiz nights across Europe.
adventures created
CNCF Ambassador and maintainer of OpenFeature and JUnit Pioneer. Helps teams release faster and with more confidence through open standards, feature flagging, and the communities that make both possible. A familiar face at KubeCon EU, Devoxx, ContainerDays, and meetups across Europe.
adventures created
Community Leaders
Top Challenge Solvers
- theharithsa9
- gsigmund8
- iw4p8
- justinrand6
- enri-kapaj6
Challenge Grand Builders
- KatharinaSick14
Challenge Builders
- simon.schrottner3
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.
