open

```sh

open http://localhost:3000/index.html?skin=black

open Docker.dmg

```

chroot ?

对应用程序做了文件系统的分离

docker === container + runtime

dockfile

. 路径

https://www.docker.com/get-started

```sh

$ git clone https://github.com/docker/doodle.git

$ cd doodle/cheers2019 && docker build -t xgqfrms/cheers2019 .

$ docker run -it --rm xgqfrms/cheers2019

$ docker login && docker push xgqfrms/cheers2019

```

https://hub.docker.com/repositories

Dockerfile

-t tag

docker rm

docker rmi

docker  cp

docker commit

docker pull

docker build

docker images

docker run

docker stop

docker ps

docker ps -a

client / host /registor

container

image