Store data in a persistent volume

https://git.haje.org/Ray/hajeslackbot/-/blob/master/scripts/bot/moneybot/dbmgr.py#L4


payment_file_path = "/data/payment.csv"

https://git.haje.org/Ray/hajeslackbot/-/blob/master/docker-compose.yml#L13

    volumes:
      - bot-data:/data/
...

# Line 28
volumes:
  bot-data: