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.

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Official Collection

Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Containers

Docker 101: Pull a Container Image by Digest

by Ivan Velichko

Practice pulling a container image using an immutable digest reference instead of a mutable tag.

container-image docker container-registry containers-101

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Containers

Docker 101: Pull Container Images from Different Registries

by Ivan Velichko

Pull container images using the 'docker pull' command and explore how the image name determines its source registry and repository.

container-image docker container-registry containers-101

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Containers

Inspect OCI Image Layout of Single- and Multi-Platform Images

by Ivan Velichko

Save container images as OCI layouts and explore the on-disk structure of single-platform (manifest-based) and multi-platform (index-based) images.

container-image oci-image container-registry docker

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Kubernetes, Containers

Deploy a Pod with a Container Image from a Private Registry

by Ivan Velichko

Practice configuring Kubernetes to pull images from a private registry and run Pods with authenticated registry access.

kubernetes-101 container-registry container-image kubectl

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Containers

Build and Push an Uncompressed Container Image

by Ivan Velichko

Learn how to build and publish an uncompressed container image - a helpful trick to optimize disk I/O for large images, especially when you can benefit from a fast internal network.

container-image container-registry docker buildkit

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Containers

Copy All Image Tags from One Repository to Another

by Ivan Velichko

Learn how to copy all image tags from one repository to another in an efficient way.

container-image container-registry crane skopeo

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Containers

Copy a Multi-Platform Image from One Repository to Another

by Ivan Velichko

Learn how to copy a multi-platform image from one repository to another using the docker manifest command or other, more convenient, tools like crane, skopeo, or regctl.

container-registry container-image docker crane skopeo

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Containers

Build and Publish a Container Image With Docker

by Ivan Velichko

Learn how to perform one of the most basic Docker operations - build and publish a container image.

docker container-image dockerfile containers-101 container-registry

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Easy, on Containers

Copy a Container Image from One Repository to Another with Docker

by Ivan Velichko

Learn how to leverage Docker to copy a container image from one repository to another.

containers-101 container-image container-registry docker

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Containers

Copy a Container Image from One Repository to Another - The Pro Way

by Ivan Velichko

Learn how to copy a container image from one repository to another without using Docker, Podman, or any other container runtime.

container-image container-registry crane skopeo regctl