docker安装mysql

　　笔记还是靠勤啊...最近部署mysql遇到这么一个问题，运行起容器以后用navicat进行连接发现连接不上，试了好几遍都没有成功，最后还是在博问里别人给出了答案。

　　错误原因看这里：https://www.cnblogs.com/zhurong/p/9898675.html

　　解决方案：https://www.cnblogs.com/badtree/articles/10130695.html

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　　但是我还是用自己的语言记录一下操作步骤。

　　1.docker pull mysql 

　　2.创建文件夹和my.cnf文件，文件路径如下：

　　/home/data/mysql/data   (用于存放数据文件)

　　/home/data/mysql/conf.d

　　/home/data/mysql/conf.d/my.cnf

　　my.cnf文件配置信息如下：

# 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/

default_authentication_plugin= mysql_native_password

　　3.运行容器。

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

　　4.进入容器：docker exec -it mysql /bin/sh

　　   键入命令：mysql -uroot -p （如果这个时候提示Enter Password，输入123456即可）

　　   执行命令：ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';

　　这个时候再用navicat进行连接就会提示连接成功了！