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本文小編為大家詳細介紹“Docker中怎么構建MariaDB鏡像”,內容詳細,步驟清晰,細節處理妥當,希望這篇“Docker中怎么構建MariaDB鏡像”文章能幫助大家解決疑惑,下面跟著小編的思路慢慢深入,一起來學習新知識吧。
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 imagesREPOSITORY 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
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 -tunplActive 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 '123456'[root@e8126d0481d2 /]# mysql -u root -pEnter 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 '123456' with grant option; MariaDB [mysql]> update user set password=password('123456') 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 -pEnter password: MariaDB [(none)]> exit
創建容器啟動腳本
[root@e8126d0481d2 ~]# cat run.sh#!/bin/shmysqld_safe
創建鏡像
[root@test01 ~]# docker ps -aCONTAINER 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 psCONTAINER 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 -pMariaDB [(none)]>
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 123456#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/bashmysql_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/bashmysqld_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 psCONTAINER 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 -pEnter 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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