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這篇文章將為大家詳細講解有關docker中怎么創建MariaDB鏡像,文章內容質量較高,因此小編分享給大家做個參考,希望大家閱讀完這篇文章后對相關知識有一定的了解。
一、基于commit命令方式創建
docker的安裝
[root@test01 ~]# yum install docker [root@test01 ~]# systemctl enable docker [root@test01 ~]# systemctl start docker
下載本地鏡像
[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
創建交互型容器
[root@test01 ~]# docker run -it --name="mysql_server" centos /bin/bash
4.安裝mariadb服務
[root@e8126d0481d2 /]# yum -y install mariadb-server net-tools
初始化mariadb
[root@e8126d0481d2 /]# mysql_install_db --user=mysql
后臺啟動mariadb服務
[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 -
創建mariadb登錄密碼,并可以指定ip登錄
[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
容器登錄驗證
[root@e8126d0481d2 /]# mysql -u root -h 172.17.0.2 -p Enter password: MariaDB [(none)]> exit
創建容器啟動腳本
[root@e8126d0481d2 ~]# cat run.sh #!/bin/sh mysqld_safe
創建鏡像
[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
創建容器
[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
主機登錄驗證
[root@test01 ~]# yum -y install mariadb [root@test01 ~]# mysql -u root --port=13306 -p MariaDB [(none)]>
二、基于Dockerfile方式創建
設置創建目錄和文件
[root@test01 ~]# mkdir mariadb_dockerfile && cd mariadb_dockerfile [root@test01 mariadb_dockerfile]# touch db_init.sh [root@test01 mariadb_dockerfile]# touch run.sh
編輯Dockerfile等文件
Dockerfile
[root@test01 mariadb_dockerfile]# cat Dockerfile #使用的基礎鏡像 FROM centos:7.4.1708 #添加作者信息 MAINTAINER liuxin 842887233@qq.com #安裝mariadb數據庫 RUN yum -y install mariadb-server #設置環境變量,便于管理 ENV MARIADB_USER root ENV MARIADB_PASS kingsoft #讓容器支持中文 ENV LC_ALL en_US.UTF-8 #初始化數據庫 ADD db_init.sh /root/db_init.sh RUN chmod 775 /root/db_init.sh RUN /root/db_init.sh #導出端口 EXPOSE 3306 #添加啟動文件 ADD run.sh /root/run.sh RUN chmod 775 /root/run.sh #設置默認啟動命令 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
創建鏡像
[root@test01 mariadb_dockerfile]# docker build -t liuxin/centos-mariadb:v1 ./
創建容器
[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
登錄驗證
[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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