[root@ip-172-30-4-249 test]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
docker.io/centos    latest              7322fbe74aa5        13 days ago         172.2 MB
[root@ip-172-30-4-249 test]# docker pull beetree/test
latest: Pulling from docker.io/beetree/test
79c1102d003e: Already exists
f1b10cd84249: Already exists
c852f6d61e65: Already exists
7322fbe74aa5: Already exists
Digest: sha256:b671d4db7115d073fa9250be51eac6b6b357d6989ddde6c41a3ed72942c3d59b
Status: Downloaded newer image for docker.io/beetree/test:latest