需求
自定义centos7镜像。要求： 1.默认登录路径为 /usr 2.可以使用vim
[root@iZbp18nyz28va2zwadft2qZ ~]#
[root@iZbp18nyz28va2zwadft2qZ ~]# cd docker-files/
[root@iZbp18nyz28va2zwadft2qZ docker-files]#
[root@iZbp18nyz28va2zwadft2qZ docker-files]#
[root@iZbp18nyz28va2zwadft2qZ docker-files]# vim centos_dockerfile
FROM centos:7
MAINTAINER bobo <974619916@qq.com>
RUN yum install -y vim
WORKDIR /usr
cmd /bin/bash
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"centos_dockerfile" [New] 8L, 102C written
[root@iZbp18nyz28va2zwadft2qZ docker-files]#
[root@iZbp18nyz28va2zwadft2qZ docker-files]#
[root@iZbp18nyz28va2zwadft2qZ docker-files]#
[root@iZbp18nyz28va2zwadft2qZ docker-files]#
[root@iZbp18nyz28va2zwadft2qZ docker-files]# ll
total 4
-rw-r--r-- 1 root root 102 Apr 22 22:28 centos_dockerfile
[root@iZbp18nyz28va2zwadft2qZ docker-files]#
[root@iZbp18nyz28va2zwadft2qZ docker-files]#
[root@iZbp18nyz28va2zwadft2qZ docker-files]# docker build -f ./centos_dockerfile -t bobo_centos:1 .
Sending build context to Docker daemon 2.048kB
Step 1/5 : FROM centos:7
---> 5e35e350aded
Step 2/5 : MAINTAINER bobo <974619916@qq.com>
---> Running in d5c00043a221
Removing intermediate container d5c00043a221
---> 842af4e3889a
Step 3/5 : RUN yum install -y vim
---> Running in 233181c3e19c
Loaded plugins: fastestmirror, ovl
Determining fastest mirrors
* base: mirrors.163.com
* extras: mirrors.cn99.com
* updates: mirrors.163.com
Resolving Dependencies
--> Running transaction check
---> Package vim-enhanced.x86_64 2:7.4.629-6.el7 will be installed
...............................................................................................................省略中间的安装步骤......................................................................................
Complete!
Removing intermediate container 233181c3e19c
---> 3dae745934ff
Step 4/5 : WORKDIR /usr
---> Running in e442764f0df9
Removing intermediate container e442764f0df9
---> cc643b9dcc3c
Step 5/5 : cmd /bin/bash
---> Running in c0bbf05b88dc
Removing intermediate container c0bbf05b88dc
---> 22df9878af37
Successfully built 22df9878af37
Successfully tagged bobo_centos:1
[root@iZbp18nyz28va2zwadft2qZ docker-files]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
bobo_centos 1 22df9878af37 About a minute ago 371MB
bobo_tomcat 1.0 77cc0392ea49 31 minutes ago 529MB
mysql 5.7 273c7fcf9499 4 days ago 455MB
nginx latest e791337790a6 5 days ago 127MB
tomcat latest 31a47677561a 5 days ago 529MB
redis 5.0 975fe4b9f798 5 days ago 98.3MB
centos latest 470671670cac 3 months ago 237MB
zookeeper latest c91a7d13d4d9 5 months ago 224MB
centos 7 5e35e350aded 5 months ago 203MB
logstash 5.6.15 4b1eb31737d4 13 months ago 660MB
elasticsearch 5.6.11 362c5cb1669b 19 months ago 486MB
kibana 5.6.11 388661dcd03e 19 months ago 390MB
[root@iZbp18nyz28va2zwadft2qZ docker-files]# docker run -it --name=c2 bobo_centos:1
[root@caf5f95e4fa3 usr]#
[root@caf5f95e4fa3 usr]# cd
[root@caf5f95e4fa3 ~]#
[root@caf5f95e4fa3 ~]#
[root@caf5f95e4fa3 ~]#
[root@caf5f95e4fa3 ~]# ll
total 4
-rw------- 1 root root 3416 Oct 1 2019 anaconda-ks.cfg
[root@caf5f95e4fa3 ~]#
[root@caf5f95e4fa3 ~]# vim anaconda-ks.cfg
[root@caf5f95e4fa3 ~]#
[root@caf5f95e4fa3 ~]#
[root@caf5f95e4fa3 ~]#
[root@caf5f95e4fa3 ~]#
[root@caf5f95e4fa3 ~]#