DOCKER_USERNAME ?= tom
DOCKER_PASSWORD ?= $(shell echo "YOUR_DEFAULT_PASSWORD")
IMAGE_REGISTRY ?= git.letsstein.de
APPLICATION_NAME ?= arbeitszeit
_BUILD_ARGS_APP_PART ?= .
_BUILD_ARGS_TAG ?= latest
TAG ?= latest
GIT_COMMIT ?= $(shell git rev-parse --short HEAD)

capitalize = $(shell echo $(1) | sed 's/.*/\u&/')

login_registry:
ifdef JENKINS_HOME
	echo "Logging in to Docker registry..."
	echo ${DOCKER_PASSWORD} | docker login -u $(DOCKER_USERNAME) --password-stdin $(IMAGE_REGISTRY)
endif

_builder:
	docker build --tag ${IMAGE_REGISTRY}/${DOCKER_USERNAME}/${APPLICATION_NAME}-${_BUILD_ARGS_APP_PART}:${GIT_COMMIT} -f $(call capitalize, ${_BUILD_ARGS_APP_PART})/Dockerfile $(call capitalize, ${_BUILD_ARGS_APP_PART})

_pusher: login_registry
	docker push ${IMAGE_REGISTRY}/${DOCKER_USERNAME}/${APPLICATION_NAME}-${_BUILD_ARGS_APP_PART}:${GIT_COMMIT}
	docker tag ${IMAGE_REGISTRY}/${DOCKER_USERNAME}/${APPLICATION_NAME}-${_BUILD_ARGS_APP_PART}:${GIT_COMMIT} ${IMAGE_REGISTRY}/${DOCKER_USERNAME}/${APPLICATION_NAME}-${_BUILD_ARGS_APP_PART}:${_BUILD_ARGS_TAG}
	docker push ${IMAGE_REGISTRY}/${DOCKER_USERNAME}/${APPLICATION_NAME}-${_BUILD_ARGS_APP_PART}:${_BUILD_ARGS_TAG}


build_%:
	$(MAKE) _builder \
		-e _BUILD_ARGS_APP_PART="$*" \

push_%:
	$(MAKE) _pusher \
		-e _BUILD_ARGS_APP_PART="$*" \
		-e _BUILD_ARGS_TAG="${TAG}"

full_%:
	make build_$*
	make push_$*