Challenges

Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.

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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

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

Challenge, Medium, on Containers, Programming

Build a Production-Ready Node.js Container Image: SvelteKit Application

by Ivan Velichko

Learn how to build a secure, lightweight, and production-ready Node.js container image for a SvelteKit application by following this hands-on challenge full of practical tips and tricks.

#docker #container-image #dockerfile #node.js

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

Challenge, Medium, on Containers, Programming

Build a Production-Ready Node.js Container Image: Next.js Application

by Ivan Velichko

Learn how to build a secure, lightweight, and production-ready Node.js container image for a Next.js application by following this hands-on challenge full of practical tips and tricks.

#docker #container-image #dockerfile #node.js

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

Challenge, Medium, on Containers, Programming

Build a Production-Ready Node.js Container Image: Nuxt Application

by Ivan Velichko

Learn how to build a secure, lightweight, and production-ready Node.js container image for a Nuxt application by following this hands-on challenge full of practical tips and tricks.

#docker #container-image #dockerfile #node.js

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