Docker 安装 MySQL

Docker 安装 MySQL
方法一、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。
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
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 <mysql-build@oss.oracle.com>" 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/debian/ 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
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
runoob@runoob:~/mysql$ docker images |grep mysql
mysql 5.6
2c0964ec182a
3 weeks ago 329 MB
方法二、docker pull mysql
查找Docker Hub上的mysql镜像
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
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。



使用mysql镜像
运行容器
runoob@runoob:~/mysql$ docker run -p 3306:3306 --name mymysql -v $PWD/conf/my.cnf:/etc/mysql/my.cnf -v $PWD/logs:/logs -v $PWD/data:/mysql_data -e MYSQL_ROOT_PASSWORD=123456
-d mysql:5.6
21cb89213c93d805c5bacf1028a0da7b5c5852761ba81327e6b99bb3ea89930e
runoob@runoob:~/mysql$
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/my.cnf:/etc/mysql/my.cnf：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:/mysql_data：将主机当前目录下的data目录挂载到容器的/mysql_data

-e MYSQL_ROOT_PASSWORD=123456：初始化root用户的密码
查看容器启动情况
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