deploy/reuse calibre-web: True
    calibre-web: the generated admin password does not log in (opds http=401) — running the template's own after_install command (the app's CLI, as the product does after an install)
    calibre-web: after_install :: sh: 1: python3: not found
    calibre-web: POST /upload http=200 {"location": "/tasks"}
    calibre-web: seeded book upg6b6189eb1d82 is in the library
    calibre-web: readback — listed=True download_link=True book_content_served=True
C1 seed reads back BEFORE: True
