Makefile

# Image URL
IMG ?= ibacalu/argocd:latest
PLATFORMS ?= linux/amd64


# Setting SHELL to bash
# Options are set to exit when a recipe line exits non-zero or a piped command fails.
SHELL = /usr/bin/env bash -o pipefail
.SHELLFLAGS = -ec

.PHONY: all
all: build

# If you wish built the manager image targeting other platforms you can use the buildx.
.PHONY: build
build: test ## Build docker image with the manager.
	docker build -t ${IMG} .

.PHONY: push
push: ## Push docker image with the manager.
	docker push ${IMG}

# PLATFORMS defines the target platforms for  the manager image be build to provide support to multiple
# architectures. (i.e. make docker-buildx IMG=myregistry/myimage:0.0.1). To use this option you need to:
# - able to use docker buildx . More info: https://docs.docker.com/build/buildx/
# - be able to push the image for your registry (i.e. if you do not inform a valid value via IMG=<myregistry/image:<tag>> then the export will fail)
# To properly provided solutions that supports more than one platform you should use this option.
# PLATFORMS ?= linux/arm64,linux/amd64
.PHONY: buildx
buildx: ## Build and push docker image for cross-platform support
	# copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile
	sed -e '1 s/\(^FROM\)/FROM --platform=\$$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross
	- docker buildx create --name argcd
	docker buildx use argcd
	- docker buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile.cross .
	- docker buildx rm argcd
	# rm Dockerfile.cross