skopeo buildah wrapper testing

Background

After running into some issues while working through #684 (closed), we decided to split up the Skopeo/Buildah wrapper changes and the build stage rewrite to allow us to test both individually. !1031 (merged) is the MR associated with the testing defined in this ticket.

• Test skopeo locally
  • copy
  • inspect
  • digests after copying
• Test buildah locally
  • regular build
  • additional flags + args
• Test in staging
  • ubi8
  • distroless
  • others?

Acceptance Criteria

• All tests listed above are completed

Definition of Done

• Project pipeline runs successfully
• Add any applicable checkboxes for testing e.g. Ran pipeline in staging env or pipeline-test-project pipeline run
• Solution is captured as code and/or documentation and merge requests have been submitted
• Code review completed and merge request approved/merged
• All Acceptance Criteria have been completed