docker之创建MariaDB镜像的方法

2025-05-27 0 31

一、基于commit命令方式创建

docker的安装

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[root@test01 ~]# yum install docker

[root@test01 ~]# systemctl enable docker

[root@test01 ~]# systemctl start docker

下载本地镜像

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[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

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

4.安装mariadb服务

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

初始化mariadb

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

后台启动mariadb服务

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[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

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[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

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[root@e8126d0481d2 /]# mysql -u root -h 172.17.0.2 -p

Enter password:

MariaDB [(none)]> exit

创建容器启动脚本

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[root@e8126d0481d2 ~]# cat run.sh

#!/bin/sh

mysqld_safe

创建镜像

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[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

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

[root@test01 ~]# docker ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

eed3e88a1261 mariadb:1.0 "mysqld_safe" 4 seconds ago Up 3 seconds 0.0.0.0:13306->3306/tcp romantic_hamilton

主机登录验证

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[root@test01 ~]# yum -y install mariadb

[root@test01 ~]# mysql -u root --port=13306 -p

MariaDB [(none)]>

二、基于Dockerfile方式创建

设置创建目录和文件

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[root@test01 ~]# mkdir mariadb_dockerfile && cd mariadb_dockerfile

[root@test01 mariadb_dockerfile]# touch db_init.sh

[root@test01 mariadb_dockerfile]# touch run.sh

编辑Dockerfile等文件

Dockerfile

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[root@test01 mariadb_dockerfile]# cat Dockerfile

#使用的基础镜像

FROM centos:7.4.1708

#添加作者信息

MAINTAINER liuxin 842887233@qq.com

#安装mariadb数据库

RUN yum -y install mariadb-server

#设置环境变量,便于管理

ENV MARIADB_USER root

ENV MARIADB_PASS kingsoft

#让容器支持中文

ENV LC_ALL en_US.UTF-8

#初始化数据库

ADD db_init.sh /root/db_init.sh

RUN chmod 775 /root/db_init.sh

RUN /root/db_init.sh

#导出端口

EXPOSE 3306

#添加启动文件

ADD run.sh /root/run.sh

RUN chmod 775 /root/run.sh

#设置默认启动命令

CMD ["/root/run.sh"]

db_init.sh

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[root@test01 mariadb_dockerfile]# cat db_init.sh

#!/bin/bash

mysql_install_db --user=mysql

sleep 3

mysqld_safe &

sleep 3

#mysqladmin -u "$MARIADB_USER" password "$MARIADB_PASS"

mysql -e "use mysql; grant all privileges on *.* to '$MARIADB_USER'@'%' identified by '$MARIADB_PASS' with grant option;"

h=$(hostname)

mysql -e "use mysql; update user set password=password('$MARIADB_PASS') where user='$MARIADB_USER' and host='$h';"

mysql -e "flush privileges;"

run.sh

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[root@test01 mariadb_dockerfile]# cat run.sh

#!/bin/bash

mysqld_safe

创建镜像

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[root@test01 mariadb_dockerfile]# docker build -t liuxin/centos-mariadb:v1 ./

创建容器

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[root@test01 mariadb_dockerfile]# docker run -d -p 13306:3306 liuxin/centos-mariadb:v1 /root/run.sh

[root@test01 mariadb_dockerfile]# docker ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

7743527ac603 liuxin/centos-mariadb:v1 "/root/run.sh" 5 seconds ago Up 3 seconds 0.0.0.0:13306->3306/tcp nostalgic_mirzakhani

登录验证

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[root@test01 mariadb_dockerfile]# mysql -uroot -h 127.0.0.1 --port=13306 -p

Enter password:

Welcome to the MariaDB monitor. Commands end with ; or \\g.

Your MariaDB connection id is 1

Server version: 5.5.56-MariaDB MariaDB Server

Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.

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

MariaDB [(none)]> exit

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原文链接:http://www.jianshu.com/p/e64726f90a49

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