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方法一、docker pull mysql
查找 Docker Hub 上的 mysql 镜像
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runoob@runoob:/mysql$ docker search mysql
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
mysql MySQL is a widely used, open-source relati… 2529 [OK]
mysql/mysql-server Optimized MySQL Server Docker images. Crea… 161 [OK]
centurylink/mysql Image containing mysql. Optimized to be li… 45 [OK]
sameersbn/mysql 36 [OK]
google/mysql MySQL server for Google Compute Engine 16 [OK]
appcontainers/mysql Centos/Debian Based Customizable MySQL Con… 8 [OK]
marvambass/mysql MySQL Server based on Ubuntu 14.04 6 [OK]
drupaldocker/mysql MySQL for Drupal 2 [OK]
azukiapp/mysql Docker image to run MySQL by Azuki – http:… 2 [OK]
…
这里我们拉取官方的镜像, 标签为 5.6
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runoob@runoob:~/mysql$ docker pull mysql:5.6
等待下载完成后，我们就可以在本地镜像列表里查到 REPOSITORY 为 mysql, 标签为 5.6 的镜像。
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runoob@runoob:~/mysql$ docker images |grep mysql
mysql 5.6 2c0964ec182a 3 weeks ago 329 MB
方法二、通过 Dockerfile 构建
创建 Dockerfile
首先，创建目录 mysql, 用于存放后面的相关东西。
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runoob@runoob:~$ mkdir -p ~/mysql/data ~/mysql/logs ~/mysql/conf
data 目录将映射为 mysql 容器配置的数据文件存放路径
logs 目录将映射为 mysql 容器的日志目录
conf 目录里的配置文件将映射为 mysql 容器的配置文件
进入创建的 mysql 目录，创建 Dockerfile
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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
FATAL ERROR: please install the following Perl modules before executing /usr/local/mysql/scripts/mysql_install_db:
File::Basename
File::Copy
Sys::Hostname
Data::Dumper
RUN apt-get update && apt-get install -y perl pwgen –no-install-recommends && rm -rf /var/lib/apt/lists/*
gpg: key 5072E1F5: public key “MySQL Release Engineering <[url=mailto:mysql-build@oss.oracle.com]mysql-build@oss.oracle.com[/url]>” imported
RUN apt-key adv –keyserver ha.pool.sks-keyservers.net –recv-keys A4A9406876FCBD3C456770C88C718D3B5072E1F5
ENV MYSQL_MAJOR 5.6
ENV MYSQL_VERSION 5.6.31-1debian8
RUN echo “deb http://repo.mysql.com/apt/deb… jessie mysql-${MYSQL_MAJOR}” > /etc/apt/sources.list.d/mysql.list
the “/var/lib/mysql” stuff here is because the mysql-server postinst doesn’t have an explicit way to disable the mysql_install_db codepath besides having a database already “configured” (ie, stuff in /var/lib/mysql/mysql)
also, we set debconf keys to make APT a little quieter
RUN {\
echo mysql-community-server mysql-community-server/data-dir select ''; \
echo mysql-community-server mysql-community-server/root-pass password ''; \
echo mysql-community-server mysql-community-server/re-root-pass password ''; \
echo mysql-community-server mysql-community-server/remove-test-db select false; \
} | debconf-set-selections \
&& apt-get update && apt-get install -y mysql-server="${MYSQL_VERSION}" && rm -rf /var/lib/apt/lists/* \
&& 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 'skip-host-cache\nskip-name-resolve' | awk '{print} $1 =="[mysqld]"&& c == 0 {c = 1; system("cat") }' /etc/mysql/my.cnf > /tmp/my.cnf \
&& mv /tmp/my.cnf /etc/mysql/my.cnf
VOLUME /var/lib/mysql
COPY docker-entrypoint.sh /usr/local/bin/
RUN ln -s usr/local/bin/docker-entrypoint.sh /entrypoint.sh # backwards compat
ENTRYPOINT [“docker-entrypoint.sh”]
EXPOSE 3306
CMD [“mysqld”]
通过 Dockerfile 创建一个镜像，替换成你自己的名字
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runoob@runoob:~/mysql$ docker build -t mysql .
创建完成后，我们可以在本地的镜像列表里查找到刚刚创建的镜像
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runoob@runoob:~/mysql$ docker images |grep mysql
mysql 5.6 2c0964ec182a 3 weeks ago 329 MB
使用 mysql 镜像运行容器
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runoob@runoob:~/mysql$ docker run -p 3306:3306 –name mymysql -v $PWD/conf:/etc/mysql/conf.d -v $PWD/logs:/logs -v $PWD/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.6
21cb89213c93d805c5bacf1028a0da7b5c5852761ba81327e6b99bb3ea89930e
runoob@runoob:~/mysql$
命令说明：
-p 3306:3306：将容器的 3306 端口映射到主机的 3306 端口。
-v $PWD/conf:/etc/mysql/conf.d：将主机当前目录下的 conf/my.cnf 挂载到容器的 /etc/mysql/my.cnf。
-v $PWD/logs:/logs：将主机当前目录下的 logs 目录挂载到容器的 /logs。
-v $PWD/data:/var/lib/mysql：将主机当前目录下的 data 目录挂载到容器的 /var/lib/mysql。
-e MYSQL_ROOT_PASSWORD=123456：初始化 root 用户的密码。
查看容器启动情况
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runoob@runoob:~/mysql$ docker ps
CONTAINER ID IMAGE COMMAND … PORTS NAMES
21cb89213c93 mysql:5.6 “docker-entrypoint.sh” … 0.0.0.0:3306->3306/tcp mymysql
