CMD和ENTRYPOINT区别
https://www.bilibili.com/video/BV1og4y1q7M4?p=29
测试cmd命令
[root@iz8g9301trfnpxz dockerfile]# cat dockerfile-cmd-test
FROM centos
CMD ["ls","-a"]
构建镜像,执行 ```bash
[root@iz8g9301trfnpxz /]# ls bin boot dev etc home lib lib64 lost+found media mnt opt proc root run sbin srv sys tmp usr var [root@iz8g9301trfnpxz /]# cd /home/dockerfile/ [root@iz8g9301trfnpxz dockerfile]# ls mydocker-centos [root@iz8g9301trfnpxz dockerfile]# vim dockerfile-cmd-test [root@iz8g9301trfnpxz dockerfile]# docker build -f dockerfile-cmd-test -t cmdtest . Sending build context to Docker daemon 3.072kB Step 1/2 : FROM centos ---> 831691599b88 Step 2/2 : CMD ["ls","-a"] ---> Running in e6dca2412833 Removing intermediate container e6dca2412833 ---> cef9ed46536a Successfully built cef9ed46536a Successfully tagged cmdtest:latest [root@iz8g9301trfnpxz dockerfile]#
```