7 posts.
The redesign needed eleven new social images, from a 600px email header to 2560px channel art. They're drawn by one Python script from the site's own font, and the first run came out in the wrong weight entirely.
The API's test suite empties the database it points at, including the dev admin account. How we keep it pointed at the right one.
How PaceStreak's background worker notices streaks that ended in silence, times reminders to each person's evening, sends a weekly recap, and stays safe to run twice.
How PaceStreak's XP, levels, personal records, achievements and leaderboards are built so that two people of very different strength earn exactly the same for the same week.
A daily streak punishes rest. The streak engine counts kept weeks against a target you set, forgives bad weeks with earned freezes and a monthly repair, and stores nothing that can drift.
The complete technology list behind PaceStreak — domain, sites, monitoring, backend, tooling — with the reasoning, the rejected alternatives, and the constraints each choice created for the next one.
Setting up the PaceStreak backend on uv, Ruff and ty, then wrapping it in Docker. Every real bug came from running it, not from reading it.
PaceStreak is a habit and streak tracker for training and everything else worth doing regularly.