1.拉取Docker镜像

shell
docker pull nginx

[root@localhost ~]# docker pull nginx Using default tag: latest latest: Pulling from library/nginx d107e437f729: Pull complete cb497a329a81: Pull complete f1c4d397f477: Pull complete f72106e86507: Pull complete 899c83fc198b: Pull complete a785b80f5a67: Pull complete 6c50e4e0c439: Pull complete Digest: sha256:d5f28ef21aabddd098f3dbc21fe5b7a7d7a184720bc07da0b6c9b9820e97f25e Status: Downloaded newer image for nginx:latest docker.io/library/nginx:latest

2.