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, Easy, on Containers, Programming

Write a Dockerfile That Excludes Dev Dependencies from the Production Image

by Ivan Velichko

Learn how to keep your container images lean by excluding development dependencies (linters, test frameworks, etc.) from the production build.

docker container-image containers-101 dockerfile node.js

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

Challenge, Easy, on Containers, Programming

Write a Dockerfile for an Application With System-Level Dependencies

by Ivan Velichko

Practice installing OS-level packages during a Docker image build to satisfy system library requirements of your application.

docker container-image containers-101 dockerfile python

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

Challenge, Easy, on Containers, Programming

Write Your First Dockerfile

by Ivan Velichko

Learn the absolute basics of Dockerfile authoring by containerizing a simplistic Node.js server application with just three instructions: FROM, COPY, and CMD.

docker container-image containers-101 dockerfile node.js

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

Challenge, Easy, on Containers, Programming

Write a Dockerfile for a Simple Web Server Application

by Ivan Velichko

Learn how to write a Dockerfile from scratch and build a working container image for a web server application with a simple set of dependencies.

docker container-image containers-101 dockerfile node.js

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, Easy, on Containers, Linux

Ensure a Graceful Termination for a Containerized Node.js Application

by Ivan Velichko

Can you resolve issues with a Node.js container's termination process to ensure graceful shutdown on 'docker stop'?

docker container-image debugging os-signal node.js

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