docker system df

显示 Docker 磁盘使用情况

docker system df 命令用于显示 Docker 镜像、容器和数据卷的磁盘使用情况，以及构建缓存的磁盘使用情况。

简写	默认值	描述
-v，--verbose		显示详细输出，列出所有镜像、容器和数据卷的详细信息。

$ docker system df
  
TYPE            TOTAL     ACTIVE    SIZE      RECLAIMABLE
Images          5         4         3.884GB   463.2MB (11%)
Containers      4         3         673.2kB   222.4kB (33%)
Local Volumes   5         4         160.6MB   0B (0%)
Build Cache     0         0         0B        0B

实用-v或--verbose选项可以查看更详细的信息。

$ docker system df -v
Images space usage:

REPOSITORY                 TAG          IMAGE ID       CREATED        SIZE      SHARED SIZE   UNIQUE SIZE   CONTAINERS
catthehacker/ubuntu        act-latest   5c6d3e9ddee5   3 months ago   1.57GB    0B            1.566GB       1
mysql                      8.4.7        7f4998de4c03   3 months ago   788MB     0B            787.8MB       1
mongo                      8.2.2        58e9faee9b51   4 months ago   894MB     0B            894.4MB       1
nginx                      1.29.3       bb747ca923a5   4 months ago   172MB     0B            172.3MB       1
redis/redis-stack-server   7.4.0-v8     4ebc55076527   4 months ago   463MB     0B            463.2MB       0

Containers space usage:

CONTAINER ID   IMAGE                            COMMAND                  LOCAL VOLUMES   SIZE      CREATED        STATUS                      NAMES
082331fc92e0   catthehacker/ubuntu:act-latest   "tail -f /dev/null"      3               222kB     3 months ago   Exited (137) 3 months ago   act-Release-Release-6790ed4b6acaaae452fcc5a56bc50aa38292c77419d5ff2d13c3cf05413885b1
9574484b52c9   mongo:8.2.2                      "docker-entrypoint.s…"   1               222kB     3 months ago   Up 14 minutes (healthy)     mongo
a1468bea28df   mysql:8.4.7                      "docker-entrypoint.s…"   0               780B      3 months ago   Up 14 minutes (healthy)     mysql
6b3ec3c84d5d   nginx:1.29.3                     "/docker-entrypoint.…"   0               228kB     3 months ago   Up 13 minutes (healthy)     nginx

Local Volumes space usage:

VOLUME NAME                                                                                LINKS     SIZE
32ceafd68325781c0496531ab8709f22cc54be22570cc8232f3759d1ce5ec6b0                           0         0B
act-Release-Release-6790ed4b6acaaae452fcc5a56bc50aa38292c77419d5ff2d13c3cf05413885b1       1         0B
act-Release-Release-6790ed4b6acaaae452fcc5a56bc50aa38292c77419d5ff2d13c3cf05413885b1-env   1         2B
act-toolcache                                                                              1         160.6MB
fcece2920670c47ac2ba9743609b311f85cd82081d8a854a8362a098a539b60f                           1         0B

Build cache usage: 0B

CACHE ID   CACHE TYPE   SIZE      CREATED   LAST USED   USAGE     SHARED