Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including automated solution checks.
Challenges contributed by the community members sharing their knowledge and expertise.
Create a Pod that uses a postStart lifecycle hook to write a custom message to the nginx welcome page, expose it via a NodePort Service, and verify the hook ran successfully.
Combine multi-stage builds, build-time arguments, non-root users, and Pod security context into a single production-grade image pipeline.
Configure Docker to use gVisor (runsc) as the default runtime and verify kernel isolation between the host and containers.
