docker中创建MySQL及在外部使用Navicat连接

1：获取MySQL镜像

运行 docker pull mysql

[root@MyCentos7-1 ~]# docker pull mysql  
Using default tag: latest  
latest: Pulling from library/mysql  
85b1f47fba49: Pull complete   
5671503d4f93: Pull complete   
3b43b3b913cb: Pull complete   
4fbb803665d0: Pull complete   
05808866e6f9: Pull complete   
1d8c65d48cfa: Pull complete   
e189e187b2b5: Pull complete   
02d3e6011ee8: Pull complete   
d43b32d5ce04: Pull complete   
2a809168ab45: Pull complete   
Digest: sha256:1a2f9361228e9b10b4c77a651b460828514845dc7ac51735b919c2c4aec864b7  
Status: Downloaded newer image for mysql:latest

2：启动MySQL镜像

[root@MyCentos7-1 ~]# docker run --name=mysql -itd -p 3306:3306 -e MYSQL_ROOT_PASSWORD=abcd123 mysql  
eb3dbfb0958f5c856323e4d8da60d43194884ff05d7adac1ec059adb66ac7f7b

docker run是启动容器的命令；

--name：指定了容器的名称，方便之后进入容器的命令行

-itd：其中，i是交互式操作，t是一个终端，d指的是在后台运行

-p：指在本地生成一个随机端口，用来映射mysql的3306端口

-e：设置环境变量

MYSQL_ROOT_PASSWORD=emc123123：指定了mysql的root密码

mysql：指运行mysql镜像

3：进入MySQL容器

运行 docker exec -it mysql /bin/bash

[root@MyCentos7-1 ~]# docker exec -it mysql /bin/bash
root@my-mysql-v1-nths4:/usr/local/mysql#

4：进入MySQL

运行 mysql -uroot -p

root@my-mysql-v1-nths4:/usr/local/mysql# mysql -uroot -p 
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.7.4-m14 MySQL Community Server (GPL)

Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

mysql> show databases;

5：进行配置，使外部工具可以连接

为了安全，首先需要设置root帐号的密码

mysql> update user set authentication_string = password('root') where user = 'root';

将root的密码改为root。
接着，由于mysql中root执行绑定在了localhost，因此需要对root进行授权，代码如下，

mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'root' WITH GRANT OPTION;

最后，使用navitecat测试mysql连接，如下，

参考：http://xiaoqiangge.com/aritcle/1496481502190.html