Mac下docker安装MySQL8.0.34

学习并记录一下如何用docker部署MySQL

  1. 在Docker中搜索并下载MySQL8.0.x的最新版本
    Mac下docker安装MySQL8.0.34_第1张图片
  2. 下载好后,在Images中就可以看到MySQL的镜像了
    Mac下docker安装MySQL8.0.34_第2张图片
    通过下面的命令也可以查看
    docker images
    
    Mac下docker安装MySQL8.0.34_第3张图片
  3. 启动镜像,使用下面的命令就可以启动镜像了
    docker run -itd --name mysql8.0.34 -p 3306:3306 --privileged=true -e MYSQL_ROOT_PASSWORD=root mysql:8.0.34
    
    解释:
    1. -i :即使没有连接,也要保持标准输入保持打开状态,一般与 -t 连用
    2. -t:分配一个伪tty,一般与 -i 连用
    3. -d:在后台运行容器,并且打印容器id
    4. –name:镜像名称
    5. -p:端口映射,容器内端口3306映射到容器外的3306上
    6. –privileged:为容器提供权限
    7. -e:设置镜像参数
      1. MYSQL_ROOT_PASSWORD:设置root用户的密码
  4. 此时,在容器内部已经初始化好了MySQL了,但是一般来说,我们需要把MySQL的配置文件和datadir挂在到docker外部,所以我们还需要后面的步骤
  5. 创建config和data目录
    mkdir -p /Users/xxx/docker/data/mysql8.0.34/{config,data}
    
  6. 切换到config目录
    cd /Users/xxx/docker/data/mysql8.0.34/config
    
  7. 把config文件从镜像内部复制出来
    docker cp mysql8.0.34:/etc/my.cnf ./
    
  8. 确认config文件cat my.cnf
    # For advice on how to change settings please see
    # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html
    
    [mysqld]
    #
    # Remove leading # and set to the amount of RAM for the most important data
    # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
    # innodb_buffer_pool_size = 128M
    #
    # Remove leading # to turn on a very important data integrity option: logging
    # changes to the binary log between backups.
    # log_bin
    #
    # Remove leading # to set options mainly useful for reporting servers.
    # The server defaults are faster for transactions and fast SELECTs.
    # Adjust sizes as needed, experiment to find the optimal values.
    # join_buffer_size = 128M
    # sort_buffer_size = 2M
    # read_rnd_buffer_size = 2M
    
    # Remove leading # to revert to previous value for default_authentication_plugin,
    # this will increase compatibility with older clients. For background, see:
    # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin
    # default-authentication-plugin=mysql_native_password
    skip-host-cache
    skip-name-resolve
    datadir=/var/lib/mysql
    socket=/var/run/mysqld/mysqld.sock
    secure-file-priv=/var/lib/mysql-files
    user=mysql
    # 忽略表名大小写
    lower_case_table_names=1
    
    pid-file=/var/run/mysqld/mysqld.pid
    [client]
    socket=/var/run/mysqld/mysqld.sock
    
    !includedir /etc/mysql/conf.d/
    
  9. 停掉并删除之前启动的MySQL镜像
    docker stop mysql8.0.34
    docker rm mysql8.0.34
    
  10. 重启MySQL
    docker run -itd --name mysql8.0.34 -p 3306:3306 --privileged=true --restart=always -v /Users/xxx/docker/data/mysql8.0.34/data:/var/lib/mysql -v /Users/xxx/docker/data/mysql8.0.34/config/my.cnf:/etc/my.cnf -e MYSQL_ROOT_PASSWORD=root mysql:8.0.34
    
  11. 使用连接工具测试MySQL
    Mac下docker安装MySQL8.0.34_第4张图片

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