simplify docker builder

docker/Dockerfile

@@ -2,11 +2,8 @@ FROM node:7
 
 MAINTAINER mangoweb
 
-RUN npm install -g https://github.com/manGoweb/mango-cli.git#deploy/dockerhub
-
-ENV HOST_MOUNT /usr/src/build
-VOLUME [$HOST_MOUNT]
-WORKDIR $HOST_MOUNT
+ARG version=master
+RUN npm install -g https://github.com/manGoweb/mango-cli.git#$version
 
 ENTRYPOINT ["mango"]
 CMD ["build"]

docker/Makefile

@@ -1,22 +1,12 @@
-_: build
+ORG = mangoweb
+REPO = mango-cli
+TAG = latest
 
-IMAGE="mango-cli"
-ECR="831119889470.dkr.ecr.eu-west-1.amazonaws.com"
+all: build publish
 
-build:
-	docker build -t ${IMAGE} .
+build: Dockerfile
+	docker build --build-arg version=$(TAG) -t $(REPO):$(TAG) .
 
-aws: aws-tag aws-push
-aws-tag:
-	docker tag ${IMAGE}:latest ${ECR}/${IMAGE}:latest
-aws-push:
-	docker push ${ECR}/${IMAGE}:latest
-
-dockerhub: dockerhub-tag dockerhub-push
-dockerhub-tag:
-	docker tag ${IMAGE}:latest mangoweb/${IMAGE}:latest
-dockerhub-push:
-	docker push mangoweb/${IMAGE}:latest
-
-
-.PHONY: build aws aws-tag aws-push dockerhub dockerhub-tag dockerhub-push
+publish: Dockerfile
+	docker tag $(REPO):$(TAG) $(ORG)/$(REPO):$(TAG)
+	docker push $(ORG)/$(REPO):$(TAG)