services:
  backup:
    image: offen/docker-volume-backup:${TEST_VERSION:-canary}
    deploy:
      restart_policy:
        condition: on-failure
    environment:
      BACKUP_FILENAME: test.tar.gz
      BACKUP_CRON_EXPRESSION: 0 0 5 31 2 ?
      BACKUP_EXCLUDE_REGEXP: '\.(me|you)$$'
    volumes:
      - ${LOCAL_DIR:-./local}:/archive
      - ./sources:/backup/data:ro