請大神們多多指點評論，不勝感激

1.通過 docker  下載 mysql:8.0.1 映象

2.建立檔案備份目錄 

mkdir -p /home/mysql/{conf,logs,data/mysql}

3.my.cnf 檔案  大概是這樣 ，可自行修改

# 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/
 

docker run -ti -p 3306:3306 --name mysql -v /home/mysql/conf/my.cnf:/etc/mysql/my.cnf -v /home/mysql/logs:/logs -v /home/mysql/data/mysql:/var/lib/mysql -d mysql:8.0.1 /bin/bash mysqld