We probably want to "export all the layers of all intermediate steps"

Author: solsson

bin/y-build

@@ -14,7 +14,7 @@ DEFAULT_REGISTRY=builds-registry.ystack.svc.cluster.local
 [ -z "$PUSH_REGISTRY" ]   && PUSH_REGISTRY=$DEFAULT_REGISTRY
 [ -z "$BUILDKIT_CACHE" ]  && BUILDKIT_CACHE="type=registry,ref=$BUILDS_REGISTRY/ystack:buildcache"
 [ -z "$IMPORT_CACHE" ] && IMPORT_CACHE="--import-cache=$BUILDKIT_CACHE"
-[ -z "$EXPORT_CACHE" ] && EXPORT_CACHE="--export-cache=$BUILDKIT_CACHE"
+[ -z "$EXPORT_CACHE" ] && EXPORT_CACHE="--export-cache=$BUILDKIT_CACHE,mode=max"
 [ "$IMPORT_CACHE" = "false" ] && IMPORT_CACHE=""
 [ "$EXPORT_CACHE" = "false" ] && EXPORT_CACHE=""
 [ -z "$BUILDKIT_HOST" ] && BUILDKIT_HOST=tcp://buildkitd.ystack.svc.cluster.local:8547