Challenge, Easy, on Containers
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.
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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.
Learn how to perform one of the most basic Docker operations - build and publish a container image.
Learn how to leverage Docker to copy a container image from one repository to another.
Prove your SRE skills - identify and stop an overloaded container, then start a new one with limited CPU and RAM resources.
Can you start a container using the default containerd CLI, ctr? Knowing how to use ctr may come in handy when you need to debug lower-level container issues.
Explore how nerdctl tries to look like Docker when it comes to UX. Are containers started with nerdctl any different from those started with Docker 🐳?
Start a container using an alternative container runtime - Podman. Shouldn't be too hard if you already know how to start a container with Docker 🐳
Perform the most fundamental Docker operation - start a container. Sounds too easy? Be ready to also answer a few tricky questions about it!