docker安装Mysql8.0并挂载外部配置和数据

拉取Mysql8.0 镜像

docker  pull mysql:8.0.18

创建挂载目录

mkdir -p /home/app/mysql/conf
mkdir -p /home/app/mysql/data
mkdir -p /home/app/mysql/logs

放入my.cnf

vi /home/app/mysql/conf/my.cnf

把下面配置复制到文件中

# Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 
#
# The MySQL  Server configuration file.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
[mysqld]
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
datadir         = /var/lib/mysql
secure-file-priv= NULL
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
 
# Custom config should go here
!includedir /etc/mysql/conf.d/

创建启动容器

docker run --restart=always -d -v /home/app/mysql/conf.d/my.cnf:/etc/mysql/my.cnf -v /home/app/mysql/logs:/logs -v /home/app/mysql/data/mysql:/var/lib/mysql  -p 3306:3306 --name mysql -e MYSQL_ROOT_PASSWORD=123456 mysql:8.0.18

参数解释

--restart=always                                            -> 开机启动容器,容器异常自动重启
-d                                                          -> 以守护进程的方式启动容器
-v /home/app/mysql/conf.d/my.cnf:/etc/mysql/my.cnf          -> 映射配置文件
-v /home/app/mysql/logs:/logs                               -> 映射日志
-v /home/app/mysql/data/mysql:/var/lib/mysql                -> 映射数据
-p 3306:3306                                                -> 绑定宿主机端口
--name mysql                                                -> 指定容器名称
-e MYSQL_ROOT_PASSWORD=123456                               -> 写入配置root密码

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