一、镜像导入 1、master主机下载镜像并打包 [rootk8s-master ~]# docker pull nginx:1.20.0[rootk8s-master ~]# docker pull nginx:1.21.0[rootk8s-master ~]# docker pull nginx:1.25.0[rootk8s-master ~]# docker pull busybox:latest[rootk8s-master ~]# docker save -o n…