Dockerfile

FROM debian:jessie

# add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added
RUN groupadd -r mysql && useradd -r -g mysql mysql

# install "pwgen" for randomizing passwords
RUN apt-get update && apt-get install -y pwgen wget && rm -rf /var/lib/apt/lists/*

RUN apt-key adv --keyserver keys.gnupg.net --recv-keys 8507EFA5

ENV PERCONA_MAJOR 5.6
ENV PERCONA_VERSION 5.6.33-79.0

RUN wget https://repo.percona.com/apt/percona-release_0.1-4.jessie_all.deb
RUN dpkg -i percona-release_0.1-4.jessie_all.deb

RUN { \
		echo percona-server-server-$PERCONA_MAJOR percona-server-server/root_password password 'unused'; \
		echo percona-server-server-$PERCONA_MAJOR percona-server-server/root_password_again password 'unused'; \
	} | debconf-set-selections \
	&& apt-get update \
	&& apt-get install -y \
		percona-server-server-$PERCONA_MAJOR \
	&& rm -rf /var/lib/apt/lists/* \
	&& rm -rf /var/lib/mysql \
	&& mkdir /var/lib/mysql

RUN apt-get update && apt-get install -y percona-xtrabackup

# comment out a few problematic configuration values
# don't reverse lookup hostnames, they are usually another container
RUN sed -Ei 's/^(bind-address|log)/#&/' /etc/mysql/my.cnf \
	&& echo 'skip-host-cache\nskip-name-resolve' | awk '{ print } $1 == "[mysqld]" && c == 0 { c = 1; system("cat") }' /etc/mysql/my.cnf > /tmp/my.cnf \
	&& mv /tmp/my.cnf /etc/mysql/my.cnf

RUN mkdir /backup

COPY restore-backup.sh /
ENTRYPOINT ["/restore-backup.sh"]

EXPOSE 3306