容器数据卷

[root@localhost ~]# docker run -it --name docker01 yyds/centos
[root@a37f3d845ace /]# ls
bin  home   lost+found	opt   run   sys  var
dev  lib    media	proc  sbin  tmp  volume01
etc  lib64  mnt		root  srv   usr  volume02
[root@a37f3d845ace /]# ls  
bin  home   lost+found	opt   run   sys  var
dev  lib    media	proc  sbin  tmp  volume01
etc  lib64  mnt		root  srv   usr  volume02
[root@a37f3d845ace /]# cd volume01
[root@a37f3d845ace volume01]# ls
111
[root@a37f3d845ace volume01]# 

 

[root@localhost ~]# docker run -it --name docker02 --volumes-from docker01 yyds/centos
[root@642745708b59 /]# ls
bin  home   lost+found	opt   run   sys  var
dev  lib    media	proc  sbin  tmp  volume01
etc  lib64  mnt		root  srv   usr  volume02
[root@642745708b59 /]# cd volume01
[root@642745708b59 volume01]# ls
[root@642745708b59 volume01]# touch 111
[root@642745708b59 volume01]# ls
111

 

多个数据库数据共享

[root@localhost ~]# docker run -d -p 3310:3306 -v /etc/mysql/conf.d -v /var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 --name mysql1 mysql
af00c2b01ed2999d6f5c45801e0047c0f7ef1fd6899410f7df56f85869cbc950
[root@localhost ~]# docker ps
CONTAINER ID   IMAGE     COMMAND                  CREATED         STATUS         PORTS                                                  NAMES
af00c2b01ed2   mysql     "docker-entrypoint.s…"   8 seconds ago   Up 7 seconds   33060/tcp, 0.0.0.0:3310->3306/tcp, :::3310->3306/tcp   mysql1

[root@localhost ~]# docker run -dit  -p 3333:3306 -e MYSQL_ROOT_PASSWORD=123456 --name mysql303 --volumes-from  mysql1 mysql /bin/bash
a0db4cffea5bc17dc934e4836893acda9e99288986777478bdca70630293ce83
[root@localhost ~]# docker ps
CONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS          PORTS                                                  NAMES
a0db4cffea5b   mysql     "docker-entrypoint.s…"   10 seconds ago   Up 8 seconds    33060/tcp, 0.0.0.0:3333->3306/tcp, :::3333->3306/tcp   mysql303
af00c2b01ed2   mysql     "docker-entrypoint.s…"   11 minutes ago   Up 11 minutes   33060/tcp, 0.0.0.0:3310->3306/tcp, :::3310->3306/tcp   mysql1