fix: use linux as default when builing image #22
Merged
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What this PR does / why we need it:
Previously the (non-multi) image tasks have build images based on the
OSvariable which was defaulted to$(go env GOOS).When run on macOS this resulted in
darwin. Neither othe base image that is being used nor docker under macOS supports darwin images. In general docker always runs linux images even under macOS or windows in a virtual environment.Therefore id doesn't make sense to build images based on the
$(go env GOOS)result.Instead there is now a seperate variable
IMAGE_OSwhich is set tolinuxby default, but can be overwritten by the user.Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Release note: