ジャーナリングを再構成することで、少し節約できます。
Docker コンテナの管理については、私自身あまり理解できていません。時々、クリーンアップが役立つことがあります。今、以下のコマンドを実行しました。
# cd /var/discourse/
# df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 38G 24G 13G 67% /
# docker images -a
i Info → U In Use
IMAGE ID DISK USAGE CONTENT SIZE EXTRA
discourse/base:2.0.20260209-1300 18ccefc73392 3.1GB 0B
local_discourse/app:latest 810ac5579584 4.57GB 0B U
<untagged> d303cfc49c99 4.37GB 0B
<untagged> a9d03385c205 4.34GB 0B
# ./launcher cleanup
WARNING! This will remove all stopped containers.
Are you sure you want to continue? [y/N] y
Total reclaimed space: 0B
WARNING! This will remove all images without at least one container associated to them.
Are you sure you want to continue? [y/N] y
Deleted Images:
deleted: sha256:d303cfc49c992b7fa0b0da65e38f3de79312c6e42eb99e5fd7b27bf4e237ab1d
deleted: sha256:829057c668fd2bd0f7b863c2589e5c3c27364285b39d6df31d38eb208e6410df
untagged: discourse/base:2.0.20260209-1300
untagged: discourse/base@sha256:50d2dae489a9c9916c3d50d880f7f1282fcbe179339b60a8947ab135c1f1f9bf
deleted: sha256:a9d03385c205f740e5f02db0c665a83688f7194d5386bd2d01772b8b5cd5dc65
deleted: sha256:70ec1b4b6cab7365b5f56b8187ef7631e6906fe13b5d3a2b1e39d3457d14514c
Total reclaimed space: 2.517GB
# docker images -a
i Info → U In Use
IMAGE ID DISK USAGE CONTENT SIZE EXTRA
local_discourse/app:latest 810ac5579584 4.57GB 0B U
<untagged> 18ccefc73392 3.1GB 0B
# df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 38G 21G 15G 59% /