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Helm makes this easy. It’s great, just use the templating features and not the package management stuff.

We found the same thing after the package management stuff caused issues in prod.

We rolled our own go program that just does go tpl substitution in yaml with overrides like helm. Works on charts out of the box, but instead of talking to a service, it outputs a yaml manifest ready to kubectl apply.

We've thought about open sourcing it. It took us literally a day to put together and had worked without flaw for 8 months in production.

Cool! I just don't use the package management stuff. My workflow also has local manifest template rendering, but I use helm-template[0]. My chart is just a local directory, not a package or anything. Then, to release:

* Render the chart and run it through kube-cloud-build[1] to make sure my containers are all built before I deploy: `helm template /path/to/chart | kube-cloud-build -r repo`

* Deploy with helm: `helm upgrade RELEASE_NAME /path/to/chart`

Has been working really well for me.

[0] https://github.com/technosophos/helm-template

[1] https://github.com/dminkovsky/kube-cloud-build

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