docker安装mysql

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

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笔记列表

最新官方MySQL(5.7.19)的docker镜像在创建时映射的配置文件目录有所不同，在此记录并分享给大家：

官方原文：

The MySQL startup configuration is specified in the file /etc/mysql/my.cnf, and that file in turn includes any files found in the /etc/mysql/conf.d directory that end with .cnf. Settings in files in this directory will augment and/or override settings in /etc/mysql/my.cnf. If you want to use a customized MySQL configuration, you can create your alternative configuration file in a directory on the host machine and then mount that directory location as /etc/mysql/conf.d inside the mysql container.

大概意思是说：

MySQL(5.7.19)的默认配置文件是 /etc/mysql/my.cnf 文件。如果想要自定义配置，建议向 /etc/mysql/conf.d 目录中创建 .cnf 文件。新建的文件可以任意起名，只要保证后缀名是 cnf 即可。新建的文件中的配置项可以覆盖 /etc/mysql/my.cnf 中的配置项。

具体操作：

首先需要创建将要映射到容器中的目录以及.cnf文件，然后再创建容器

# pwd
/opt
# mkdir -p docker_v/mysql/conf
# cd docker_v/mysql/conf
# touch my.cnf
# docker run -p 3306:3306 --name mysql -v /opt/docker_v/mysql/conf:/etc/mysql/conf.d -e MYSQL_ROOT_PASSWORD=123456 -d imageID
4ec4f56455ea2d6d7251a05b7f308e314051fdad2c26bf3d0f27a9b0c0a71414

命令说明：

-p 3306:3306：将容器的3306端口映射到主机的3306端口
-v /opt/docker_v/mysql/conf:/etc/mysql/conf.d：将主机/opt/docker_v/mysql/conf目录挂载到容器的/etc/mysql/conf.d
-e MYSQL_ROOT_PASSWORD=123456：初始化root用户的密码
-d: 后台运行容器，并返回容器ID
imageID: mysql镜像ID

查看容器运行情况

# docker ps
CONTAINER ID IMAGE          COMMAND          ... PORTS                    NAMES
4ec4f56455ea c73c7527c03a  "docker-entrypoint.sh" ... 0.0.0.0:3306->3306/tcp   mysql