- dcron doesn't support /etc/cron.d/ (vixie-cron format) — replace with
standard 'cron' (vixie cron) which does
- Cron jobs run with a stripped environment and couldn't reach the database;
fix by dumping Docker env vars to /etc/environment at startup and sourcing
it in the cron job entry
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>