Makefile for pushing images to ECR

Makefile

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+# This makefile creates service images and pushes them to ECR
+
+project = microservices
+services = server cache database backend
+# Change to your own registry
+registry = 123456789012.dkr.ecr.us-west-1.amazonaws.com
+version ?= latest
+
+ecr: ecr-build ecr-publish
+
+ecr-build:
+	for service in ${services} ; do \
+		docker build -t ${project}/$$service:${version} -f $$service.Dockerfile . ; \
+	done
+
+ecr-publish:
+	for service in ${services} ; do \
+		docker tag ${project}/$$service:latest ${registry}/${project}/$$service:${version} ; \
+		docker push ${registry}/${project}/$$service:${version} ; \
+	done