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Would you like to count the number of spaces that various items in your manifests are indented and then pass that as an argument to a structure-unaware text file templating engine? Would you like to discover your inevitable yaml file templating errors after submitting those manifests to the cluster? Then yes, you are really missing out!

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A couple of years ago I was using https://kapitan.dev/ which I found really good at the time when using jsonnet files to generate the configs. I haven't used it for some time though.

I really, really, wish we could move away from yaml for tools like this.

If YAML is a foot-gun, templated YAML is a face-cannon.

I never understood why people didn’t serialize from JSON if they run a transformation step on the YAML anyway. Read JSON, alter in your favorite language, dump YAML as the last step, deploy. Instant prevention of a lot of sadness.

Yet somehow, all we have is YAML templating?

Kubectl will handle JSON without converting it to YAML. So if you are doing this, then just do kubectl apply -f deployment.json

So why doesn't helm output to json instead of yaml, and avoid all the problems with significant whitespace?

crickets

CDK8s works really well. I'm sad it hasn't really taken off.

https://cdk8s.io/

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