Fix gcloud docker push (GoogleCloudPlatform#131)

cwbeitel · Jon Wayne Parrott · commit 0b6ca2076166 · 2017-07-17T09:05:23.000-07:00
diff --git a/optional-container-engine/Makefile b/optional-container-engine/Makefile
@@ -21,7 +21,7 @@ build:
 
 .PHONY: push
 push: build
-	gcloud docker push gcr.io/$(GCLOUD_PROJECT)/bookshelf
+	gcloud docker -- push gcr.io/$(GCLOUD_PROJECT)/bookshelf
 
 .PHONY: template
 template:
