15 years ago: A shell script (CGI) on your computer
The lesson (I think): Complexity begets complexity.
What K8s does is complex by definition, and so the UX is complex.
I know I'm not the first person to suggest that the people who know K8s the best will often end up rolling their own solution.
The curse of software is that once you understand something deeply enough you often just rewrite it to work for you.
A private Mastodon instance