Challenge, Medium, on
Transfer Container Images to an Air-Gapped Environment
Get container images onto a server that has no route to the Internet or access to a container registry.
Submissions: 15/19
Challenges
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.
Official Collection
Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.
Challenge, Easy, on
Docker 101: Tag and Push Container Images to Registries
Re-tag local container images with fully-qualified references and publish them to different registries using the 'docker tag' and 'docker push' commands.
Submissions: 40/47
Challenge, Medium, on
Inspect a Container Image Without Pulling It
Explore the OCI image index, manifests, and configuration of a remote multi-platform image - without pulling a single byte of filesystem layers into the local Docker daemon.
Submissions: 14/16
Challenge, Easy, on
Docker 101: Pull a Container Image for a Specific Platform
Pull a container image built for a non-native CPU architecture using the 'docker pull --platform' flag.
Submissions: 38/42
Community Collection
Challenges contributed by the community members sharing their knowledge and expertise.
Challenge, Medium, on
Hardening Docker Containers Using gVisor Runtime
by Omkar Shelke
Configure Docker to use gVisor (runsc) as the default runtime and verify kernel isolation between the host and containers.
Submissions: 8/9
Docker Scout: Remediating CVEs in a Container Image
by Felipe Cruz
Learn how to use Docker Scout to analyze and remediate vulnerabilities in a container image.
Submissions: 99/268