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GeezerVison is showing github.com — fix(installer): remove docker-compose standalone package on Debian/Ubuntu by yllada · Pull Request #3049 · utmstack/UTMStack

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yllada commented Nov 5, 2026

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Summary

Fix the v12 installer failing on Debian 13 (trixie) during Docker package installation.

Root cause

installer/docker/docker.go installed both:

docker-compose — Debian's own package, which ships /usr/libexec/docker/cli-plugins/docker-compose
docker-compose-plugin — Docker's package, which ships the same file

dpkg aborts the whole transaction:

dpkg: error processing archive .../11-docker-compose-plugin_5.7.0-1~~debian.13~~trixie_amd64.deb (--unpack):
trying to overwrite '/usr/libexec/docker/cli-plugins/docker-compose',
which is also in package docker-compose (2.26.1-4)

Older Debian releases didn't ship docker-compose as a CLI plugin, so the conflict only appeared on trixie. The RHEL path in the same
file already used docker-compose-plugin alone.

Change

One line: drop docker-compose from the apt-get install list. The installer only uses compose through Docker's native plugin
(docker stack deploy / docker compose), which docker-compose-plugin provides.

Verification

go build ./... in installer/ passes
Grep of the installer confirms no code path calls the standalone docker-compose binary
Matches the existing RHEL branch behavior

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          fix(installer): remove docker-compose standalone package on Debian/Ub…

cdee4ee

…untu

Debian 13 (trixie) ships docker-compose 2.26.1 in its own repos which
owns /usr/libexec/docker/cli-plugins/docker-compose. Installing it
alongside docker's docker-compose-plugin makes dpkg fail with
'trying to overwrite' and aborts the whole install. The installer only
uses 'docker stack deploy' and never calls the standalone binary, so
drop docker-compose and keep docker-compose-plugin (docker compose
subcommand), matching the RHEL path.

osmontero self-requested a review

November 5, 2026 15:44

osmontero approved these changes

Nov 5, 2026

View reviewed changes

osmontero merged commit b6d6343 into v12

Nov 5, 2026

osmontero deleted the hotfix/v12-debian-docker-compose branch

November 5, 2026 15:49

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osmontero

osmontero approved these changes

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2 participants

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