Challenge, Easy, on
List All Tags in a Container Repository
Practice discovering what has been published to a remote container repository by listing its tags using crane, regctl, or a direct call to the registry HTTP API.
Submissions: 14/19
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: Authenticate to Private Container Registries
Practice using docker login to authenticate against multiple private container registries with different credentials, then pull and push images across them.
Submissions: 27/32
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: 64/83
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: 60/67
Challenge, Easy, on
Docker 101: Pull a Container Image by Digest
Practice pulling a container image using an immutable digest reference instead of a mutable tag.
Submissions: 97/111
Challenge, Easy, on
Docker 101: Pull Container Images from Different Registries
Pull container images using the 'docker pull' command and explore how the image name determines its source registry and repository.
Submissions: 106/122
Deploy a Pod with a Container Image from a Private Registry
Practice configuring Kubernetes to pull images from a private registry and run Pods with authenticated registry access.
Submissions: 365/673
Challenge, Easy, on
Build and Publish a Container Image With Docker
Learn how to perform one of the most basic Docker operations - build and publish a container image.
Submissions: 876/1316
Challenge, Easy, on
Copy a Container Image from One Repository to Another with Docker
Learn how to leverage Docker to copy a container image from one repository to another.
Submissions: 463/614
Challenge, Easy, on
Pull Container Images Using ctr
Learn how to pull container images from different registries using the ctr command.
Submissions: 351/468