chore(imagebuilder): add defaultBuildpacksURL

Author: duanhongyi

charts/imagebuilder/templates/imagebuilder-configmap.yaml

@@ -19,3 +19,4 @@ data:
   registries.conf: |
     {{- .Values.containerRegistries | nindent 4 }}
   imagePullPolicy: {{ .Values.imagePullPolicy }}
+  defaultBuildpacksURL: ="{{.Values.imageRegistry}}/{{.Values.imageOrg}}/buildpacks:bullseye"

rootfs/imagebuilder/build

@@ -50,7 +50,7 @@ if [[ -n "${TAR_PATH}" ]]; then
     tar -xzf /tmp/app.tgz -C /workspace/ && unset TAR_PATH
 fi
 
-pack_builder="registry.drycc.cc/drycc/buildpacks:bullseye"
+pack_builder=$(< /etc/imagebuilder/defaultBuildpacksURL tr -d '[:space:]')
 if [[ -f .pack-builder ]]; then
     pack_builder=$(< .pack-builder tr -d '[:space:]')
 fi