CORD-1551 - updated maas makefiles and multi-stage dockerfile

Change-Id: I0bab86e0207edb12f553ddcfe040882f04f34f25
diff --git a/automation/Makefile b/automation/Makefile
index 275f611..a5bee6e 100644
--- a/automation/Makefile
+++ b/automation/Makefile
@@ -1,38 +1,5 @@
-IMAGE_NAME=cord-maas-automation
-BINARY=entry-point
-BUILD_TAG=build
-PACKAGE_TAG=candidate
+IMAGES+=automation
 
-.PHONY: help
-help:
-	@echo "build     - create the binary"
-	@echo "package   - package the binary into a docker container"
-	@echo "clean     - remove tempory files and build artifacts"
-	@echo "help      - this message"
+automation.image: Dockerfile.automation *.go vendor/vendor.json
 
-BUILD_DATE=$(shell date -u +%Y-%m-%dT%TZ)
-VCS_REF=$(shell git log --pretty=format:%H -n 1)
-VCS_REF_DATE=$(shell git log --pretty=format:%cd --date=format:%FT%T%z -n 1)
-BRANCHES=$(shell repo --color=never --no-pager branches 2>/dev/null | wc -l)
-STATUS=$(shell repo --color=never --no-pager status . | tail -n +2 | wc -l)
-MODIFIED=$(shell test $(BRANCHES) -eq 0 && test $(STATUS) -eq 0 || echo "[modified]")
-BRANCH=$(shell repo --color=never --no-pager info -l -o | grep 'Manifest branch:' | awk '{print $$NF}')
-VERSION=$(BRANCH)$(MODIFIED)
-
-.PHONY: build
-build:
-	docker build -t $(IMAGE_NAME):$(BUILD_TAG) .
-
-.PHONY: package
-package:
-	$(eval BUILD_ID := $(shell docker create $(IMAGE_NAME):$(BUILD_TAG)))
-	$(eval BINDIR := $(shell mktemp -d))
-	docker cp $(BUILD_ID):/service/$(BINARY) $(BINDIR)/$(BINARY)
-	cp Dockerfile.release $(BINDIR)
-	docker build -f $(BINDIR)/Dockerfile.release -t $(IMAGE_NAME):$(PACKAGE_TAG) --label org.label-schema.build-date=$(BUILD_DATE) --label org.label-schema.vcs-ref=$(VCS_REF) --label org.label-schema.vcs-ref-date=$(VCS_REF_DATE) --label org.label-schema.version=$(VERSION) $(BINDIR)
-	docker rm -f $(BUILD_ID)
-	rm -r $(BINDIR)
-
-.PHONY: clean
-clean:
-	@echo ""
+include ../rules.mk