Use Alpine as builder
What does this MR do?
If the final image runs on Alpine/musl-libc, the binary should also be built against musl-libc.
What are the relevant issue numbers?
Does this MR meet the acceptance criteria?
This affects just the builder, so nothing changes here.
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Changelog entry added -
Documentation created/updated for GitLab EE https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/10527 -
Documentation created/updated for this project, if necessary -
Documentation reviewed by technical writer or follow-up review issue created -
Tests added for this feature/bug -
Job definition updated, if necessary -
Conforms to the code review guidelines -
Conforms to the Go guidelines -
Security reports checked/validated by reviewer
Edited by J0WI