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.
An internal service is halfway through a Python-to-Go rewrite: the amd64 build already runs the new Go code while arm64 still ships the legacy Python one - same API, two completely different codebases and Dockerfiles. Can you build and push a single multi-platform image from the two independent single-platform variants?
Practice using docker login to authenticate against multiple private container registries with different credentials, then pull and push images across them.
Get container images onto a server that has no route to the Internet or access to a container registry.
Re-tag local container images with fully-qualified references and publish them to different registries using the 'docker tag' and 'docker push' commands.
Challenges contributed by the community members sharing their knowledge and expertise.
Configure Docker to use gVisor (runsc) as the default runtime and verify kernel isolation between the host and containers.
Learn how to use Docker Scout to analyze and remediate vulnerabilities in a container image.
