refactor Makefile

- use ereuse project (to avoid confusion between devicehub project and
devicehub image)
- facilitate the docker image URL on the make docker_build

Makefile

@@ -1,4 +1,4 @@
-project := dkr-dsg.ac.upc.edu/devicehub
+project := dkr-dsg.ac.upc.edu/ereuse
 
 branch := `git branch --show-current`
 commit := `git log -1 --format=%h`
@@ -17,6 +17,11 @@ docker_build:
 	docker build -f docker/postgres.Dockerfile -t ${postgres_image} .
 	# DEBUG
 	#docker build -f docker/postgres.Dockerfile -t ${postgres_image} . --progress=plain --no-cache
+	@printf "\n##########################\n"
+	@printf "\ndevicehub image: ${devicehub_image}\n"
+	@printf "postgres image: ${postgres_image}\n"
+	@printf "\ndocker images built\n"
+	@printf "\n##########################\n\n"
 
 docker_publish:
 	docker push ${devicehub_image}
@@ -26,6 +31,4 @@ docker_publish:
 docker:
 	$(MAKE) docker_build
 	$(MAKE) docker_publish
-	@printf "\nimage: ${devicehub_image}\n"
-	@printf "\nimage: ${postgres_image}\n"
-	@printf "\ndocker images built and published\n"
+	@printf "\ndocker images published\n"