I recently completed a course on Helm charts, and I feel I understand the basics pretty well. However, I'm a bit lost on how to actually create a Helm chart for an application without relying on public repositories. Since I've been tasked with doing this at work, I'm looking for advice from those who are skilled in Helm. How did you transition from learning about Helm to actually developing functional charts?
5 Answers
Practicing on a local Kubernetes cluster is super helpful. I recommend using "kind". You can also ask AI tools like ChatGPT to help you create a mini proof of concept. Just keep experimenting and you’ll get there!
Try transforming the simplest Kubernetes manifest into a Helm chart. This hands-on approach is the best way to learn. Just dive in and start creating!
Consider using tools like CoPilot to generate an initial chart for you. Then, ensure you understand every part of it so you can tweak it as needed. Deploy it to a Kubernetes cluster to validate that it works properly!
I learned through trial and error. The official Helm docs weren't my favorite, so I focused on mastering Go templating. A good resource was the Bitnami charts repo, which has a ton of charts to explore. It can be a bit tricky, but you’ll get the hang of it. Just keep digging in and good luck!
Start simple! Create a `chart.yaml`—it's just a few lines. Then, copy your Kubernetes YAML into it. You're already making a chart! Helm basically packages Kubernetes YAML and lets you modify it with variables. If you're not familiar with Kubernetes YAML yet, that would be your first step.
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