Use versioned base image for latest.Dockerfile and add test
What does this MR do and why?
Relating to: &8223 and #1213 (closed). With this change, we can make changes to the base
image (now versioned) without affecting latest
Docker images. We can then opt-in to newer base
images.
CC @marcel.amirault @sarahgerman
Merge request acceptance checklist
This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.
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I have evaluated the MR acceptance checklist for this merge request.
Edited by Evan Read