YAMLingo

Because kubectl --help
only gets you so far

Master Kubernetes, Crossplane, Argo CD, and Helm through interactive lessons. 5 minutes a day. Real skills.

65+ lessons·6 topics·5+ learners

What you'll learn

Six structured paths covering the modern platform engineering stack.

☸️

Kubernetes

Pods to production

Crossplane

Infrastructure as code

🐙

Argo CD

GitOps delivery

Helm

Package management

🎓

CKAD Prep

Exam ready

🏅

CKA Prep

Admin certified

How it works

Same habit loop as Duolingo — built for infrastructure engineers.

1

Pick a topic

Choose from Kubernetes, Crossplane, Argo CD, Helm, or exam prep paths.

2

Do a lesson

Answer 5–10 interactive questions. Takes about 5 minutes.

3

Come back tomorrow

Build a streak. Spaced repetition schedules reviews so knowledge sticks.

Climb the leagues

Earn XP every week to rise through 10 tiers. Top performers get promoted. Fall behind and drop down.

🥉Bronze
🥈Silver
🥇Gold
💎Sapphire
❤️‍🔥Ruby
💚Emerald
💜Amethyst
🤍Pearl
🖤Obsidian
💠Diamond

Groups of 30 · Weekly reset every Monday · Top 5 promoted · Bottom 5 demoted

🔁

Spaced repetition

Lessons auto-schedule reviews at the right time so you don't forget what you learned.

❤️

Hearts system

Wrong answers cost hearts. Hearts refill over time. Stay sharp or slow down.

🏆

Live leaderboard

Compete with other learners on XP. Weekly rankings keep you accountable.

YAMLingo

Ready to level up?

Join 5+ engineers building their platform engineering skills.

Start learning free

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