为什么docker修剪不删除我的摇摆的图像？
该文件说，docker修剪“删除所有悬挂的图像”。 它甚至会发出警告“这将删除所有晃动的图像”。 那么为什么它不能删除我的？
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 我认为这是因为这可能是一些图像build设的中间图像。
所以不是真正摇摆不定的图像。