docker之创建MariaDB镜像的方法

一、基于commit命令方式创建

docker的安装

[root@test01 ~]# yum install docker
[root@test01 ~]# systemctl enable docker
[root@test01 ~]# systemctl start docker

下载本地镜像

[root@test01 ~]# docker pull centos:7.4.1708
[root@test01 ~]# docker images
REPOSITORY   TAG     IMAGE ID   CREATED    SIZE
docker.io/centos 7.4.1708   3afd47092a0e  3 months ago  196.6 MB

创建交互型容器

[root@test01 ~]# docker run -it --name="mysql_server" centos /bin/bash

4.安装mariadb服务

[root@e8126d0481d2 /]# yum -y install mariadb-server net-tools

初始化mariadb

[root@e8126d0481d2 /]# mysql_install_db --user=mysql

后台启动mariadb服务

[root@e8126d0481d2 /]# mysqld_safe &
[1] 114
[root@e8126d0481d2 /]#
180210 13:45:27 mysqld_safe Logging to '/var/log/mariadb/mariadb.log'.
180210 13:45:27 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
[root@e8126d0481d2 /]# netstat -tunpl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address   Foreign Address   State  PID/Program name
tcp  0  0 0.0.0.0:3306   0.0.0.0:*    LISTEN  -

创建mariadb登录密码，并可以指定ip登录

[root@e8126d0481d2 /]# mysqladmin -u root password 'kingsoft'
[root@e8126d0481d2 /]# mysql -u root -p
Enter password:
MariaDB [(none)]> show databases;
MariaDB [(none)]> use mysql;
MariaDB [mysql]> select Host from user where user='root';
MariaDB [mysql]> grant all privileges on *.* to 'root'@'%' identified by 'kingsoft' with grant option;
MariaDB [mysql]> update user set password=password('kingsoft') where user='root' and host='e8126d0481d2';
MariaDB [mysql]> flush privileges;
MariaDB [mysql]> exit

容器登录验证

[root@e8126d0481d2 /]# mysql -u root -h 172.17.0.2 -p
Enter password:
MariaDB [(none)]> exit

创建容器启动脚本

[root@e8126d0481d2 ~]# cat run.sh
#!/bin/sh
mysqld_safe

创建镜像

[root@test01 ~]# docker ps -a
CONTAINER ID  IMAGE    COMMAND    CREATED    STATUS      PORTS    NAMES
e8126d0481d2  centos    "/bin/bash"   11 minutes ago  Exited (0) 8 seconds ago      mysql_server
[root@test01 ~]# docker commit mysql_server mariadb:1.0

创建容器

[root@test01 ~]# docker run -d -p 13306:3306 mariadb:1.0 /root/run.sh								 
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