DOCKER_IMAGE = cubetiq/calpine-os-linux:3.13 DOCKER_IMAGE_SIZE = $(shell docker images --format "{{.Repository}} {{.Size}}" | grep $(DOCKER_IMAGE) | cut -d\ -f2) build: ./src/build.sh @echo "Size of the image: ${DOCKER_IMAGE_SIZE}" docker push ${DOCKER_IMAGE} .PHONY: build