Replace docker-copyedit with regctl for image retagging#1880
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docker-copyedit crashes with NameError on Python 3.9 due to missing typing imports, breaking the release workflow's retag job. Replace it with regctl from regclient, which operates directly on the registry without pulling images locally and natively supports label removal on multi-arch images. This eliminates the Python, QEMU, and Buildx dependencies from the retag job. Closes #1879
josegonzalez
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May 22, 2026
- #1880 @josegonzalez: Replace docker-copyedit with regctl for image retagging - #1881 @josegonzalez: Strip io.buildpacks.stack.id before push and verify after - #1882 @dependabot: chore(deps): bump puma from 8.0.0 to 8.0.1 in /buildpacks/buildpack-ruby/tests/ruby-sinatra - #1883 @dokku-bot: Update nodejs to version v343 - #1885 @josegonzalez: Retry docker pull in post-install on timeout - #1886 @dokku-bot: Update nodejs to version v344 - #1887 @dependabot: chore(deps): bump gunicorn from 25.3.0 to 26.0.0 in /buildpacks/buildpack-python/tests/python-flask - #1888 @dependabot: chore(deps): bump gunicorn from 25.3.0 to 26.0.0 in /buildpacks/buildpack-python/tests/python-django - #1889 @dependabot: chore(deps): bump gunicorn from 25.3.0 to 26.0.0 in /buildpacks/buildpack-multi/tests/multi - #1890 @dokku-bot: Update nodejs to version v345 - #1893 @dokku-bot: Update nodejs to version v346 - #1894 @dokku-bot: Update python to version v344 - #1895 @dokku-bot: Update nodejs to version v347 - #1896 @dokku-bot: Update go to version v229 - #1897 @josegonzalez: Upgrade scala test app to play 3.0.10 - #1898 @dokku-bot: Update php to version v288 - #1899 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 287 to 288 in /buildpacks/buildpack-php/tests/php - #1900 @dokku-bot: Update nodejs to version v348 - #1902 @dokku-bot: Update ruby to version v358 - #1903 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 288 to 289 in /buildpacks/buildpack-php/tests/php - #1904 @dokku-bot: Update php to version v289 - #1905 @dependabot: chore(deps): bump twig/twig from 3.24.0 to 3.26.0 in /buildpacks/buildpack-php/tests/php - #1906 @dokku-bot: Update nodejs to version v349 - #1907 @dependabot: chore(deps): bump slim/slim from 4.15.1 to 4.15.2 in /buildpacks/buildpack-php/tests/php - #1908 @dependabot: chore(deps-dev): bump heroku/heroku-buildpack-php from 289 to 290 in /buildpacks/buildpack-php/tests/php - #1909 @dokku-bot: Update nodejs to version v350 - #1910 @dokku-bot: Update php to version v290
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Summary
docker-copyedit(broken Python package) withregctlfrom regclient for removing theio.buildpacks.stack.idlabel during release retaggingbin/retagfrom ~62 lines to ~28 lines by usingregctl image mod --replace(operates directly on registry, no local pull/push) andregctl image copyfor additional tagsCloses #1879