文档称docker prune“删除所有悬空图像”。它甚至发出警告“这将删除所有悬空图像”。那为什么不删除我的?
ubuntu@ip-172-31-26-48:~$ docker image prune
WARNING! This will remove all dangling images.
Are you sure you want to continue? [y/N] y
Total reclaimed space: 0 B
ubuntu@ip-172-31-26-48:~$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
simonm3/registrm latest bd3ef6d73785 7 minutes ago 468 MB
simonm3/registr latest 7dd15943671b 2 hours ago 2.51 GB
simonm3/registrm <none> f8f22986e85a 45 hours ago 2.93 GB
simonm3/registrm <none> c1b9d8606371 45 hours ago 2.93 GB
simonm3/registrm <none> f1ca97467106 45 hours ago 2.93 GB
simonm3/registr <none> 6a5af88f93a7 45 hours ago 4.42 GB
simonm3/registrm <none> 93dc81b0fa7a 45 hours ago 2.93 GB
simonm3/registrm <none> dbc50510d499 45 hours ago 2.93 GB
simonm3/registr <none> 0101ca5d4a25 45 hours ago 4.42 GB
simonm3/registrm <none> d8f85df39f0a 46 hours ago 2.93 GB
simonm3/registrm <none> 053892e9798b 46 hours ago 2.93 GB
simonm3/registrm <none> 3845056cf241 46 hours ago 2.92 GB
simonm3/registr <none> 349ef3c589bd 46 hours ago 4.42 GB
simonm3/registrm <none> 5dcbb0db4710 2 days ago 2.92 GB
simonm3/registr <none> e403f74861f6 2 days ago 4.32 GB
simonm3/registr <none> c12ca8819c24 5 days ago 4.32 GB
simonm3/registrm <none> 4bb8ed8154b7 6 days ago 2.92 GB
ubuntu@ip-172-31-26-48:~$ docker images -q -f dangling=true
f8f22986e85a
c1b9d8606371
f1ca97467106
6a5af88f93a7
93dc81b0fa7a
dbc50510d499
0101ca5d4a25
d8f85df39f0a
053892e9798b
3845056cf241
349ef3c589bd
5dcbb0db4710
e403f74861f6
c12ca8819c24
4bb8ed8154b7
答案 0 :(得分:1)
Docker不会修剪仍然具有容器的悬空映像,即使它们不再运行也是如此。首先使用docker container prune
删除停止的容器,然后使用docker image prune
删除修剪后的容器所依赖的悬空图像。
答案 1 :(得分:0)
我认为这是因为这些可能是某些图像构建的中间图像。
因此不是真正悬空的图像。