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, Medium, on Containers

Build a Container Image for Another Platform Using Cross-Compilation

by Ivan Velichko

Learn how to build container images for non-native CPU architectures using Go's support of cross-compilation.

docker container-image multi-platform go

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

Challenge, Medium, on Containers

Build a Container Image for Another Platform Using QEMU Emulation

by Ivan Velichko

Learn how to build container images for non-native CPU architectures (e.g., arm64 on an amd64 host) using QEMU user-space emulation and Docker.

docker container-image multi-platform qemu emulation