Environment variables? about helmfile

[roboll]

I'm not quite convinced this is a good idea, but it would be relatively simple to template the file. One of the things I like most about the current approach is having everything encoded in the helmfile.

I'm not using kubernetes much right now though, so if you think this is a worthy change and can't think of a way to do it without env vars in the file, feel free to submit a pr and I'll accept.

Running it through text/template with a env function would let you have something like {{ env "KEY" "fallback-value" }} maybe.

[natevecc]

I created #2 to address my need for environment variable support. It doesn't do anything fancy with text/template but instead exposes a way for the Chart.yaml file to grab them from the current execution context. Interested in your feedback.

[roboll]

This is available in v0.4.