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The limitations of helm chart templates are what I like. If you code review shenanigans, it should be a code smell that you’re doing something wrong.

Kustomize is terrible. Trying to build a mental model of the final output while writing is horrible.

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Let's be clear: all of the YAML-cum-DSL K8s deployment options are terrible. It's still just templating with extra steps. But Kubernetes is, fundamentally, one big while(1) loop turning YAML into infrastructure, so, eventually, you have to target YAML. It's just unfortunate that we got to "spicy regexes with if statements" and then stopped, instead of using something more robust.

I don't understand this at all, a Kustomize base is far easier to read than a Helm Chart? It's a set of manifests with no templating. I find that it's easy to see what gets patched or replaced in the overlays and there's a lot more fail-fast rather than stringly-typed whitespace nonsense.

I guess your kustomizeations are relatively simple. Just wait until you have 4-5 layers of it, flipping between several files to figure out which file needs to change how, just to change an attribute. With a chart, I just make the change and can work it out, all in the same file.

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