$ docker image pull IMAGE_REPO:TAG
$ docker container create [OPTION] IMAGE_REPO:TAG
$ docker create [OPTION] IMAGE_REPO:TAG
$ docker container create -i -t --name centos7_1 centos:7
$ docker container start [OPTION] CONTAINER1 [CONTAINERn]...
$ docker start [OPTION] CONTAINER1 [CONTAINERn]...
==========
Background로 실행된 컨테이너 내부에 진입 실습
docker container run -d -p 80:80 --name web1 httpd:2.4.54
docker container ls
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES