Makefile.docker

# Set docker BUILDKIT progress type.
DOCKER_BUILDKIT_PROGRESS := auto

# Set common utilities environs.
DOCKER_BIN := $(or $(DOCKER_BIN),docker)
SSH_ADD_BIN := $(or $(SSH_ADD_BIN),ssh-add)

# Build version variables.
BUILD_VERSION ?= $(shell $(GIT_BIN) describe --always --dirty --broken --abbrev=8)

# Default image name.
IMAGE_NAME ?= $(IMAGE_DEFAULT_NAME)

# Default image tag.
IMAGE_TAG ?= $(BUILD_VERSION)

# Docker build args for current project.
IMAGE_BUILD_ARGS = -f Dockerfile -t $(IMAGE_NAME):$(IMAGE_TAG) -t $(IMAGE_NAME):latest
ifdef DOCKER_BUILD_ARGS
	IMAGE_BUILD_ARGS += $(foreach arg,$(DOCKER_BUILD_ARGS),--build-arg $(arg))
endif

# Docker build labels for current project.
IMAGE_BUILD_LABELS = --label io.k8s.version=$(BUILD_VERSION)
IMAGE_BUILD_LABELS += --label io.k8s.display-name=$(IMAGE_DISPLAY_NAME)
IMAGE_BUILD_LABELS += --label io.k8s.description=$(IMAGE_DESCRIPTION)
ifdef DOCKER_BUILD_LABELS
	IMAGE_BUILD_LABELS += $(foreach arg,$(DOCKER_BUILD_LABELS),--label $(arg))
endif

# Print Docker environment configuration.
.PHONY: docker-info
docker-info:
	@echo
	@echo \# Current user information:
	@$(ID_BIN)
	@echo
	@echo \# SSH-AGENT information:
	@$(SSH_ADD_BIN) -L
	@echo
	@echo \# Docker version information:
	@$(ENV_BIN) DOCKER_BUILDKIT=1 $(DOCKER_BIN) version
	@echo

# Build docker image, set additional image tags.
.PHONY: docker
docker: docker-info
	$(ENV_BIN) DOCKER_BUILDKIT=1 DOCKER_CONFIG=$(DOCKER_CONFIG) $(DOCKER_BIN) build \
	--ssh default \
	--progress=$(DOCKER_BUILDKIT_PROGRESS) \
	$(IMAGE_BUILD_ARGS) \
	$(IMAGE_BUILD_LABELS) .