IMAGE_NAME = gearmand-testing IMAGE_BASE = centos IMAGE_VERSION = 7 IMAGE_LABEL = v$(IMAGE_VERSION) IMAGE_TAG = $(IMAGE_NAME)/${IMAGE_BASE}:$(IMAGE_VERSION) USE_CACHE ?= image: @echo "Building Docker image ${IMAGE_TAG}..." -docker build $(USE_CACHE) --network=host -t $(IMAGE_TAG) . && (docker images -q -f dangling=true | xargs --no-run-if-empty docker rmi) image-no-cache: $(MAKE) -e USE_CACHE=--no-cache