Capstone: Your Own Chart

Part of the Helm course

Every lesson so far handed you a chart and asked you to change one thing in it. That teaches the syntax and hides the hard part, which is design. A chart is not a pile of templates, it is an interface: values.yaml is the API you are offering, and every decision you make about what goes in it decides how pleasant your chart is to use six months from now by someone who has never read your templates.

You are going to write one from scratch for a two-service app, a web container and a redis container. It will have a ConfigMap, a Service, an Ingress, a NOTES.txt, a pre-install hook that creates a Secret, and a helm test job. Nothing here is a new feature. The work is fitting them together. ...