$ cat post/kubernetes-fails,-but-we-learn.md

Kubernetes Fails, But We Learn


June 13, 2016. Kubernetes, the new kid on the container block, had just pulled off an impressive feat by winning the “container wars.” I remember the excitement—it felt like we were living in a sci-fi movie where all of our servers became self-optimizing supercomputers.

That morning, I sat down at my desk, sipping on my cold coffee, and stared at the Kubernetes dashboard. The pods were green—perfectly healthy—so I clicked around, expecting everything to be as smooth as it seemed from the outside. But boy, was I in for a rude awakening.

As I started playing with the new configuration, things quickly spiraled out of control. Pods kept crashing and restarting every few seconds, logs filled up my screen like a flood, and my heart rate matched that of a newborn’s. “Kubernetes is supposed to make this easier,” I thought, “but it’s making everything worse.”

I turned to the community forums, but the responses were as cryptic as they were unhelpful. People would say things like, “Oh, Kubernetes can do that,” or “Just use the right annotations.” It was a bit disheartening to realize that the tool I thought was going to save us from manual deployments had become more of a PITA.

After some frantic Googling and trial-and-error, I stumbled upon Helm. It was like finding a map in a treasure hunt where everyone else was just wandering aimlessly. Helm simplified the Kubernetes configuration hell into something manageable—templates with variables and custom resources. Suddenly, my cluster started to make sense again.

But even as Helm brought some order, I couldn’t shake off the feeling that there were underlying issues. We had a couple of teams who were deeply invested in Docker Swarm at the time, and they weren’t exactly happy about migrating. The argument was like old-school console wars—each team had its reasons for sticking with what it knew.

The migration dragged on for weeks, and as I sat through countless meetings where everyone tried to find the perfect way to migrate, I couldn’t help but feel a bit of frustration. Why were we so invested in migrating? What was the real value Kubernetes brought us?

In the end, we did make the switch. We shipped our first application on Kubernetes, and it was stable. But as I watched the logs, I wondered if this was just the tip of the iceberg. Kubernetes was a powerful tool, but its complexity couldn’t be ignored.

That night, while lying awake in bed, I thought about the future. The term “GitOps” was floating around, and while it sounded promising, I wasn’t sure how feasible it would be for us. We had our ops processes down to an art form, and I didn’t want to risk breaking something critical.

As June 13th drew to a close, I realized that Kubernetes might have won the battle but not necessarily the war. It was a tool, like any other, with its strengths and weaknesses. And just like in life, we had to learn how to use it effectively without losing sight of our goals.


The tech world is always evolving, and Kubernetes certainly showed us that. We learned a lot about what works and what doesn’t, but more importantly, we learned the value of keeping an open mind and adapting when necessary.