Merge pull request #3261 from manics/dont-prune-new

buildkitPruner: don't prune very recent images

Author: manics

mybinder/templates/buildkit-pruner.yaml

@@ -26,7 +26,7 @@ spec:
             - /bin/sh
             - -c
             - |
-              docker image prune --force --all && \
+              docker image prune --force --all --filter until={{ .Values.buildkitPruner.olderThanMinutes }}m && \
               docker builder prune --force --all --keep-storage={{ .Values.buildkitPruner.buildkitCacheSize }} && \
               docker system df
             volumeMounts:

mybinder/values.yaml

@@ -14,6 +14,8 @@ buildkitPruner:
   # Use the same image as we use for dind
   image: docker:27.5.1-dind
   buildkitCacheSize: 300GB
+  # Only prune images older than
+  olderThanMinutes: 120
   # Run this every 5min
   schedule: "*/5 * * * *"