I built PomoWatch — a minimal Pomodoro timer for the desktop. Or run from source with uv: Beyond the app itself, the repo is also a practical reference for two things that often feel abstract until you work through them hands-on: Debian packaging — the project includes a full debian/ directory with a working dpkg-buildpackage setup. It covers control files, install rules, changelogs, and how to produce a distributable .deb that installs cleanly via apt. Docker containerisation of a desktop GUI — the included Dockerfile demonstrates how to run a Tkinter app inside a container by forwarding X11 from the host, including display and audio device passthrough. A useful pattern if you have ever wondered how to containerise GUI apps on Linux. Both are documented in the README and BUILD_DEB.md if you want to follow along or adapt them to your own projects. Source code:

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