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
- [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
- [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
- [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
- [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
- [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
- [root@test01 mariadb_dockerfile]# cat run.sh
- #!/bin/bash
- mysqld_safe
创建镜像
[root@test01 mariadb_dockerfile]#docker build - t liuxin / centos - mariadb: v1. /
创建容器
- [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
- [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
来源: http://www.jianshu.com/p/e64726f90a49