参考：docker 安装mysql5.7 - 云+社区 - 腾讯云 (tencent.com)
1.拉取mysql5.7 镜像
docker pull mysql:5.7
3.准备数据目录
mkdir -p /home/dockerdata/mysql/conf
mkdir -p /home/dockerdata/mysql/logs
mkdir -p /home/dockerdata/mysql/mysql
4.创建配置文件
cd /home/dockerdata/mysql/conf/
vi my.cnf
# Copyright (c) 2014, 2016, 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
#log-error = /var/log/mysql/error.log
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
max_connections = 2000
max_user_connections = 1900
max_connect_errors = 100000
max_allowed_packet = 50M
lower_case_table_names=1
[mysqld]
skip-name-resolve
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
#保存后退出</pre>
5.启动容器
docker run -p 3306:3306 --name mysql2.0 -v /home/dockerdata/mysql/conf/my.cnf:/etc/mysql/my.cnf -v /home/dockerdata/mysql/logs:/logs -v /home/dockerdata/mysql/mysql:/var/lib/mysql --privileged=true -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.7
