My 1-Year Journey From Failing CKA to Joining the ~240 Golden Kubestronauts Back Then

TL;DR: Every CNCF certification in a year — 199 hours of study, $2,653 total. I failed my first exam after 80 hours of prep. Once I got past that, each one came faster. My last took 1 hour. I earned Golden Kubestronaut in January 2026, when there were roughly 240 recognized members worldwide. The program has since grown — these numbers reflect that point in time. It Started With a Colleague's Demo An engineer I was working with gave me a personal demo of their Kubernetes setup. Nodes scaling up