docker の空き容量が足りないなら docker system prune すれば良いじゃない ( #docker )

35GBぐらい空きました。

$ docker system df
TYPE                TOTAL               ACTIVE              SIZE                RECLAIMABLE
Images              45                  35                  13.53GB             6.234GB (46%)
Containers          327                 7                   3.855GB             3.854GB (99%)
Local Volumes       425                 136                 30.98GB             30.45GB (98%)
Build Cache         0                   0                   0B                  0B

$ docker system prune --volumes
WARNING! This will remove:
  - all stopped containers
  - all networks not used by at least one container
  - all volumes not used by at least one container
  - all dangling images
  - all dangling build cache

Are you sure you want to continue? [y/N] y

Deleted Containers:
528096fb9948df25b4fa6396384d13d70981af032cb3cb012b4c9d16887231d2
a8fec1d907172c994b75d43bcab536ea4efa7efa88d83dc096d95b7b061162c7
6350e53bc429e04aa996c2e7356c13db7f3618294b28f1b45ecd18a233da4742


Deleted Networks:
project2_default
tmp_default

Deleted Volumes:
3ecff240d1d40bc44dc4bb0f6e099ae0c16d9f1bd5ffeea7a0274235209220eb
7b694aed1803d983e4fd475a6693d406d3c654f6c3c96429bc18bd0575541b60
9179d1174ec9a39d3fc4639e83a7190e8c794f5151ac14e7272648f8ec1c24fe


Deleted Images:
deleted: sha256:f2f39fb9f14f724101ee9dd9bb7995b61919b41ea6a69926aa897732928b7783
deleted: sha256:bf0e02c7377e2165c89e13f13aae8e83f139d57601942c12dbf7823b2930750f
deleted: sha256:16032a7be6cfa3acbebc6097a76bce72f44ef8954df3de4a3d2aef2424ef3ad3
...

Deleted Containers:

deleted: sha256:d35ef5a3a04121f3604511342f3170869e10223568d16dca1643f8badf3bba12
deleted: sha256:fdcdc09ea99cc713c4eaf52de7bfb0c6f98b6436b6e7307359b5ce28101f2bf4
...

Total reclaimed space: 35.08GB

$ docker system df
TYPE                TOTAL               ACTIVE              SIZE                RECLAIMABLE
Images              38                  9                   13.09GB             9.632GB (73%)
Containers          10                  7                   906kB               327.9kB (36%)
Local Volumes       5                   4                   504.9MB             96.35MB (19%)
Build Cache         0                   0                   0B                  0B

Original by Github issue

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