Docker的镜像基础管理

获取镜像

docker search centos
docker pull centos:6.9
docker pull centos:7.5.1804
docker pull nginx

查询镜像

docker images
docker images -q 
docker inspect ID/name:tag

删除镜像

docker rmi  IID 
docker rmi `docker images -q`
docker rmi $(docker images -q)

导入导出镜像

[root@docker ~]# docker image save nginx >/opt/nginx.tar.gz
[root@docker ~]# docker image load -i /opt/nginx.tar.gz