- DB path now uses DATA_DIR env var (defaults to backend/data/ for local dev)
- Dockerfile sets DATA_DIR=/app/data with VOLUME declaration
- Docker run examples show -v mount for persistence across restarts
- /app/data stores SQLite DB (engines, excluded domains, cache settings)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>