We will use this tag in qtbase to refer to the image to run, because
with the current sha1tree() tag, every minor change in the docker images
requires synchronized changes between repositories.
Task-number: QTBUG-79867
Change-Id: If94eb6dd8b97526b589e58064837bc6554fed79c
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Split the creation of the test images and the creation of the
docker environment. This way, one can easily recreate the test
images, without requiring to re-provision everything.
Change-Id: I35bbe8d8bf497f16d9be92cbaa2d9001f8eee247
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>
Reviewed-by: Ryan Chu <ryan.chu@qt.io>
