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 crafted by iximiuz Labs to help you master DevOps and Server Side topics.
Investigate a potentially compromised CI host. A sandboxed "agent" running in the background is suspected of breaking out - confirm the breach and neutralize it without taking the sandbox down.
Build a container image for a Node.js app that uses a private npm package without leaking the registry credentials into the image layers.
Challenges from outstanding independent authors proudly hosted by iximiuz Labs.
Get hands-on with reading secrets from different providers and using them in your Dagger pipelines.
Challenges contributed by the community members sharing their knowledge and expertise.
Learn how to taint a node, schedule a Pod using nodeSelector and tolerations, and share the host network, PID, and IPC namespaces with the Pod.
A multi-tier application runs across two namespaces. Learn how to isolate the application tier and restrict database access to only the application namespace.
Learn how to use Docker Scout to analyze and remediate vulnerabilities in a container image.
