FROM mariadb:10.2 RUN set -ex \ && apt-get update \ && apt-get install -y --no-install-recommends percona-toolkit \ && apt-get clean -y \ && rm -rf /var/lib/apt/lists/* COPY backup.sh /usr/local/bin/ VOLUME ["/data"] ENTRYPOINT ["/bin/bash"] CMD ["/usr/local/bin/backup.sh"]