Helm versioning and CI/CD
Loritsch, Berin <bloritsch@...>
I'm in the process of writing up my recommendations for how to integrate Helm into our build and deployment infrastructure. I have a few questions that I need to understand better. The most important one has to do with how versions are intended to work with Helm.
There are two versions to worry about in any given helm file:
The way I understand it, Helm charts deal with _how_ something is deployed, and the container(s) itself deals with _what_ is deployed.
In a shop where we do continuous integration/continuous deployment we need to come up with the policies for how we manage versions. For example, we have the policy that containers are built and tagged based on the code branch or tag we are building from.
Since the chart has two version numbers embedded inside, I was wondering if there are command-line arguments to override any value. The chart itself is not going to change unless we find a defect in it. It would work with our CI/CD infrastructure if we overrode the .Chart.appVersion with the branch name when we do the full build.
If that is the case, we can build our chart as if it is production, and simply override versions when deploying specific versions of an application.
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