FIX Domino Container Image: tzdata was missing in UBI 10 minimal
Daniel Nashed – 28 November 2025 12:14:22
The container image uses Redhat UBI 10 minimal as the base image. In version 9 it contained tzdata by default.
The newer version does not contain it and the build script did not install it.
I have added logic to try to always install tzdata to make sure this never happens again for any distro change.
But I also decided to go back to have the normal not the minimal image as the default.
Admins can still switch back to the minimal using -from=ubi-minimal
The standard UBI image is the safer bet and the resulting image isn't that much bigger.
The develop and the main branch are both updated.
This only affected the recent builds where UBI 10 minimal was used.
The issue occurred was that the timezone was not switched inside the container even specifying your timezone at build time.
See details here --> https://opensource.hcltechsw.com/domino-container/howto_tz_locale/
If you are on UTC there isn't any issue at all. But for everyone else this is an important fix.
-- Daniel
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