FROM mariadb:10.3 ADD wsrep.cnf /etc/mysql/conf.d/ ADD mariadb-healthcheck.sh /usr/local/bin/ RUN chmod -v +x /usr/local/bin/mariadb-healthcheck.sh HEALTHCHECK --interval=5s --timeout=5s --retries=12 CMD ["mariadb-healthcheck.sh"] ENV DATADIR /var/lib/mysql ADD docker-entrypoint-wsrep.sh /usr/local/bin/ RUN chmod -v +x /usr/local/bin/docker-entrypoint-wsrep.sh