chore(dogfood): add Firefox to base images#26087
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Install Firefox from Mozilla's official APT repository in both the ubuntu-22.04 and ubuntu-26.04 dogfood base images. Both Ubuntu versions only ship Firefox as a snap, which does not work in Docker containers. The Mozilla APT repo is pinned at priority 1000 to ensure Mozilla's build is preferred over any Ubuntu transitional snap package. --allow-downgrades handles the case where the snap transitional package is already present. Tested on the current dogfood image: installs Firefox 151.0.3 and creates /usr/share/applications/firefox.desktop, which portabledesktop already has in its curated dock list at priority #2.
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Chrome 148 crashes with
Trace/breakpoint trap(exit code 133) insidethe dogfood container environment, making it unusable for AI agents and
the portabledesktop browser preview. Firefox provides a working
alternative.
This PR installs Firefox from Mozilla's official APT repository in both
the ubuntu-22.04 and ubuntu-26.04 dogfood base images. Both Ubuntu
versions only ship Firefox as a snap, which does not work in Docker
containers.
ensure it wins over the snap transitional package
--allow-downgradesin case the snap transitional package isalready present
creates
/usr/share/applications/firefox.desktopThe portabledesktop dock already has
firefox.desktopin its curatedpriority list (#2 after Chrome), so Firefox will automatically appear
in the taskbar once the image is rebuilt.
Closing: Chrome works fine when launched via
portabledesktop open -- google-chrome-stableinstead of directly. The crashpad/ptrace issue is handled internally by portabledesktop. No need for Firefox as a workaround.