services:
  watchtower:
    image: nickfedor/watchtower:latest
    container_name: watchtower
    restart: unless-stopped
    environment:
      - WATCHTOWER_SCHEDULE=0 0 3 * * *
      - WATCHTOWER_CLEANUP=true
      - WATCHTOWER_NOTIFICATIONS=email
      - WATCHTOWER_NOTIFICATION_EMAIL_FROM=mail@jens.pub
      - WATCHTOWER_NOTIFICATION_EMAIL_TO=mail@jens.pub
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER=smtp.mailbox.org
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=587
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=mail@jens.pub
      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD=${SMTP_PASSWORD}
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    networks:
      - proxy

networks:
  proxy:
    external: true