potiuk opened a new pull request, #35376:
URL: https://github.com/apache/airflow/pull/35376
Debian bookworm (12) is the current stable version of Debian and it is on
the market for more than a year so all the other dependencies should have
enough time to catch up.
While Debian bullseye is still supported (oldstable) it will be switching to
LTS support mode (managed by volunteers) roughly in July 2024 - but we want to
switch our reference images to bookworm long before that date.
This PR switches our reference images to Debian Bookworm for Dockerfiles and
images that will be released to Airflow 2.8.0.
Similarly as with "Debian buster -> Debian bullseye" switch we will switch
our reference images to bookworm and we will not be publishing images based on
bullseye. However our users will still be able to build custom images using our
Dockerfiles with bullseye base image until we release Airflow 2.9.0 where the
bullseye support will be dropped entirely.
We provide release notes and instructions on how users can build the
bullseye images if they still want to do it - for example because their system
level dependencies will require them to do so, but the users are advised to
switch to bookworm-based images as soon as possible.
The users will likely still be able to build custom Airflow images for
future airflow releases (using Dockerfiles released with Airlfow 2.8), however
as of Airflow 2.9, we will not release Dockerfiles with support for that and we
will not verify if Airflow with default depenencies can be installed on
bullseye Debian.
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