Makefile

# Choose kubectl version from tagged commit;
# if no tag comes out, it will use "stable" binary
KUBECTL_VERSION ?= $$(git describe --abbrev=0 --tags || curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)

# Image URL to use while building/pushing image targets
IMG ?= quay.io/clastix/kubectl:$(KUBECTL_VERSION)

# Supported platforms for multiarch docker image
PLATFORMS ?= linux/amd64,linux/arm64,linux/arm

# Build the docker image
docker-build:
	docker build . -t ${IMG} --build-arg KUBECTL_VERSION=$(KUBECTL_VERSION)

# Push the docker image
docker-push:
	docker push ${IMG}

# Build multiarch docker image with "docker buildx" and push it
docker-buildx-push:
	docker buildx build . -t ${IMG} --build-arg KUBECTL_VERSION=${KUBECTL_VERSION} \
								--platform ${PLATFORMS} \
								--push

# Check docker image manifest
docker-check-manifest:
	docker manifest inspect ${IMG}