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#########################################
# Building Docker Image
#
# This uses a multi-stage build file. The first stage is a builder (that might
# be large in size). After the build has succeeded, the statically linked
# binary is copied to a new image that is optimized for size.
#########################################
ifeq (, $(shell which docker))
DOCKER_CLIENT_OS := linux
else
DOCKER_CLIENT_OS := $(strip $(shell docker version -f '{{.Client.Os}}' 2>/dev/null))
endif
DOCKER_PLATFORMS = linux/amd64,linux/386,linux/arm,linux/arm64
DOCKER_IMAGE_NAME = smallstep/step-cli
docker-prepare:
# Ensure, we can build for ARM architecture
ifeq (linux,$(DOCKER_CLIENT_OS))
[ -f /proc/sys/fs/binfmt_misc/qemu-arm ] || docker run --rm --privileged linuxkit/binfmt:v0.8-amd64
endif
# Register buildx builder
mkdir -p $$HOME/.docker/cli-plugins
test -f $$HOME/.docker/cli-plugins/docker-buildx || \
(wget -q -O $$HOME/.docker/cli-plugins/docker-buildx https://github.com/docker/buildx/releases/download/v0.4.1/buildx-v0.4.1.$(DOCKER_CLIENT_OS)-amd64 && \
chmod +x $$HOME/.docker/cli-plugins/docker-buildx)
docker buildx create --use --name mybuilder --platform="$(DOCKER_PLATFORMS)" || true
.PHONY: docker-prepare
#################################################
# Releasing Docker Images
#
# Using the docker build infrastructure, this section is responsible for
# logging into docker hub.
#################################################
# Rely on DOCKER_USERNAME and DOCKER_PASSWORD being set inside the CI or
# equivalent environment
docker-login:
$Q echo "$(DOCKER_PASSWORD)" | docker login -u="$(DOCKER_USERNAME)" --password-stdin
.PHONY: docker-login
#################################################
# Targets for different type of builds
#################################################
define DOCKER_BUILDX
# $(1) -- Image Tag
# $(2) -- Push (empty is no push | --push will push to dockerhub)
docker buildx build . --progress plain -t $(DOCKER_IMAGE_NAME):$(1) -f docker/Dockerfile --platform="$(DOCKER_PLATFORMS)" $(2)
endef
# For non-master builds don't build the docker containers.
docker-branch:
# For master builds don't build the docker containers. Only build for releases.
docker-master:
# For all builds with a release candidate tag build and push the containers.
docker-release-candidate: docker-prepare docker-login
$(call DOCKER_BUILDX,$(VERSION),--push)
# For all builds with a release tag build and push the containers.
docker-release: docker-prepare docker-login
$(call DOCKER_BUILDX,latest,--push)
$(call DOCKER_BUILDX,$(VERSION),--push)
.PHONY: docker-branch docker-master docker-release-candidate docker-release
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