配置映射mysql
拉取鏡像
docker pull mysql:8.0.23
新建本地目錄
/opt/docker/mysql/config
/opt/docker/mysql/data
/opt/docker/mysql/logs
新建文件my.cnf
# 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
# your config
init_connect='SET collation_connection = utf8mb4_general_ci'
init_connect='SET NAMES utf8mb4'
character-set-server=utf8mb4
collation-server=utf8mb4_general_ci
skip-character-set-client-handshake
default-time_zone='+9:00'
# Custom config should go here
!includedir /etc/mysql/conf.d/
創建容器並映射到本地目錄
docker run --restart=always -d -v /opt/docker/mysql/config/my.cnf:/etc/mysql/my.cnf -v /opt/docker/mysql/log:/logs -v /opt/docker/mysql/data/mysql:/var/lib/mysql -p 3306:3306 --name mysql_test -e MYSQL_ROOT_PASSWORD=root mysql:8.0.23
參考：
https://stackoverflow.com/questions/38949115/how-to-change-the-connection-collation-of-mysql
https://www.cnblogs.com/roinbi/p/12032952.html