docker 虚悬镜像

docker 虚悬镜像

虚悬镜像：仓库名、标签都是<none>的镜像，俗称 dangling image

查看本地所有虚悬镜像

[root@zookeeper1 Dockerfile]# docker image ls -f dangling=true
REPOSITORY   TAG       IMAGE ID       CREATED          SIZE
<none>       <none>    b35e77922a8b   55 minutes ago   231MB

虚悬镜像没有存在的价值，删除所有虚悬镜像

[root@zookeeper1 Dockerfile]# docker image prune
WARNING! This will remove all dangling images.
Are you sure you want to continue? [y/N] y
Deleted Images:
deleted: sha256:b35e77922a8b92c54dbfbce9219efac873ec41cbfce6b70530fc1acc50cc4169
deleted: sha256:cf9873321bbaf26c34dc0f523ec7d08295c8d55347e2d124f868550bfb97b5eb
deleted: sha256:1bf28b309f7e8d22ea9eab9dcfc28cdf35230eecabcb983f25761baf8af666eb

Total reclaimed space: 0B