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, Medium, on Containers

Build a Container Image for Another Platform Using a Remote Builder

by Ivan Velichko

Learn how to build container images for non-native CPU architectures by offloading the build to a remote machine using Docker Buildx.

docker container-image multi-platform buildkit

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

Challenge, Hard, on Containers

Build and Push a Multi-Platform Container Image

by Ivan Velichko

Combine your knowledge of QEMU emulation, cross-compilation, and remote builders to build and push a multi-platform container image (linux/amd64 + linux/arm64) to a registry.

docker container-image multi-platform oci-image buildkit

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