release-20.2: docker: Switch to using ubi8/ubi-minimal #55519
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Before: We were using ubi8/ubi because we hadn't figured out how to get tzdata into the ubi8/ubi-minimal image. Why: The ubi8/ubi-minimal image is smaller and now has everything we need. Now: The docker image is based on ubi8/ubi-minimal. The required tzdata files are acquired by rpm erasing the tzdata package and then reinstalling it (there is no `microdnf reinstall` command in the current image). Release note (backward-incompatible change): The docker image is now based on RedHat's ubi8/ubi-minimal image (instead of ubi8/ubi). This image is smaller.
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bdarnell
approved these changes
Oct 13, 2020
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TFTR! |
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Backport 1/1 commits from #55467.
/cc @cockroachdb/release
Before: We were using ubi8/ubi because we hadn't figured out how to get
tzdata into the ubi8/ubi-minimal image.
Why: The ubi8/ubi-minimal image is smaller and now has everything we
need.
Now: The docker image is based on ubi8/ubi-minimal. The required tzdata
files are acquired by rpm erasing the tzdata package and then
reinstalling it (there is no
microdnf reinstallcommand in the currentimage).
Release note (backward-incompatible change): The docker image is now
based on RedHat's ubi8/ubi-minimal image (instead of ubi8/ubi). This
image is smaller.