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, Security

Install a Private npm Package in a Dockerfile Without Leaking Credentials

by Ivan Velichko

Build a container image for a Node.js app that uses a private npm package without leaking the registry credentials into the image layers.

docker dockerfile secrets node.js

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 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

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