How to clear Docker cache and free up space on your system
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How much disk space is Docker using?

docker system df


TYPE            TOTAL     ACTIVE    SIZE      RECLAIMABLE
Images          7         1         47.97GB   47.08GB (98%)
Containers      1         1         33.13kB   0B (0%)
Local Volumes   2         0         179.1MB   179.1MB (100%)
Build Cache     64        0         10.18GB   10.18GB

Removing unused containers

docker container prune -f


Total reclaimed space: 0B

Removing unused images

docker image prune -af


Deleted Images:
deleted: sha256:b4426c00e4367ca891edeaf22c7aa2e7ee161b7eef4e0a2a58ca1267e9aad892
...output omitted...


Total reclaimed space: 47.08GB

Removing unused volumes

  1. List all volumes
docker volume ls


DRIVER    VOLUME NAME
local     5266d055c8fa36f2d52822e7ea06967a5462fe70e18f8380cde3b512663eb31a
local     a7a6e565195de474da663d983f69d3f22b6c13e23fb1bd516334f7c538aa27db
...output omitted...

Removing the volumes

docker volume prune -af


Deleted Volumes:
5266d055c8fa36f2d52822e7ea06967a5462fe70e18f8380cde3b512663eb31a
a7a6e565195de474da663d983f69d3f22b6c13e23fb1bd516334f7c538aa27db


Total reclaimed space: 179.1MB

Removing build cache

docker builder prune -af


Deleted build cache objects:
k2nrja7w40grpbk0dyk6xw4im
7eaxpphvnk7vtchrg9tkd5iwd
...output omitted...


Total reclaimed space: 5.777GB

Removing networks

docker network prune -f


Deleted Networks:
network-1

References:

# docker # linux