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Dockerfile
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Dockerfile
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# vim:set ft=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
# add gosu for easy step-down from root
ENV GOSU_VERSION 1.7
RUN set -x \
&& apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/* \
&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
&& wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
&& export GNUPGHOME="$(mktemp -d)" \
&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
&& gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
&& rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
&& chmod +x /usr/local/bin/gosu \
&& gosu nobody true \
&& apt-get purge -y --auto-remove ca-certificates wget
RUN mkdir /docker-entrypoint-initdb.d
# install "pwgen" for randomizing passwords
# install "apt-transport-https" for Percona's repo (switched to https-only)
RUN apt-get update && apt-get install -y --no-install-recommends \
apt-transport-https ca-certificates \
pwgen \
&& rm -rf /var/lib/apt/lists/*
ENV GPG_KEYS \
# Key fingerprint = 1993 69E5 404B D5FC 7D2F E43B CBCB 082A 1BB9 43DB
# MariaDB Package Signing Key <package-signing-key@mariadb.org>
199369E5404BD5FC7D2FE43BCBCB082A1BB943DB \
# pub 1024D/CD2EFD2A 2009-12-15
# Key fingerprint = 430B DF5C 56E7 C94E 848E E60C 1C4C BDCD CD2E FD2A
# uid Percona MySQL Development Team <mysql-dev@percona.com>
# sub 2048g/2D607DAF 2009-12-15
430BDF5C56E7C94E848EE60C1C4CBDCDCD2EFD2A \
# pub 4096R/8507EFA5 2016-06-30
# Key fingerprint = 4D1B B29D 63D9 8E42 2B21 13B1 9334 A25F 8507 EFA5
# uid Percona MySQL Development Team (Packaging key) <mysql-dev@percona.com>
# sub 4096R/4CAC6D72 2016-06-30
4D1BB29D63D98E422B2113B19334A25F8507EFA5
RUN set -ex; \
export GNUPGHOME="$(mktemp -d)"; \
for key in $GPG_KEYS; do \
gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
done; \
gpg --export $GPG_KEYS > /etc/apt/trusted.gpg.d/mariadb.gpg; \
rm -r "$GNUPGHOME"; \
apt-key list
# add Percona's repo for xtrabackup (which is useful for Galera)
RUN echo "deb https://repo.percona.com/apt jessie main" > /etc/apt/sources.list.d/percona.list \
&& { \
echo 'Package: *'; \
echo 'Pin: release o=Percona Development Team'; \
echo 'Pin-Priority: 998'; \
} > /etc/apt/preferences.d/percona
ENV MARIADB_MAJOR 10.0
ENV MARIADB_VERSION 10.0.32+maria-1~jessie
RUN echo "deb http://ftp.osuosl.org/pub/mariadb/repo/$MARIADB_MAJOR/debian jessie main" > /etc/apt/sources.list.d/mariadb.list \
&& { \
echo 'Package: *'; \
echo 'Pin: release o=MariaDB'; \
echo 'Pin-Priority: 999'; \
} > /etc/apt/preferences.d/mariadb
# add repository pinning to make sure dependencies from this MariaDB repo are preferred over Debian dependencies
# libmariadbclient18 : Depends: libmysqlclient18 (= 5.5.42+maria-1~wheezy) but 5.5.43-0+deb7u1 is to be installed
# the "/var/lib/mysql" stuff here is because the mysql-server postinst doesn't have an explicit way to disable the mysql_install_db codepath besides having a database already "configured" (ie, stuff in /var/lib/mysql/mysql)
# also, we set debconf keys to make APT a little quieter
RUN { \
echo "mariadb-server-$MARIADB_MAJOR" mysql-server/root_password password 'unused'; \
echo "mariadb-server-$MARIADB_MAJOR" mysql-server/root_password_again password 'unused'; \
} | debconf-set-selections \
&& apt-get update \
&& apt-get install -y \
"mariadb-server=$MARIADB_VERSION" \
# percona-xtrabackup is installed at the same time so that `mysql-common` is only installed once from just mariadb repos
percona-xtrabackup \
socat \
&& rm -rf /var/lib/apt/lists/* \
# comment out any "user" entires in the MySQL config ("docker-entrypoint.sh" or "--user" will handle user switching)
&& sed -ri 's/^user\s/#&/' /etc/mysql/my.cnf /etc/mysql/conf.d/* \
# purge and re-create /var/lib/mysql with appropriate ownership
&& rm -rf /var/lib/mysql && mkdir -p /var/lib/mysql /var/run/mysqld \
&& chown -R mysql:mysql /var/lib/mysql /var/run/mysqld \
# ensure that /var/run/mysqld (used for socket and lock files) is writable regardless of the UID our mysqld instance ends up having at runtime
&& chmod 777 /var/run/mysqld
# 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 '[mysqld]\nskip-host-cache\nskip-name-resolve' > /etc/mysql/conf.d/docker.cnf
VOLUME /var/lib/mysql
COPY docker-entrypoint.sh /usr/local/bin/
RUN ln -s usr/local/bin/docker-entrypoint.sh / # backwards compat
ENTRYPOINT ["docker-entrypoint.sh"]
EXPOSE 3306
CMD ["mysqld"]