# Copyright 2017 The Kubernetes Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

.DEFAULT_GOAL:=build

# set default shell
SHELL=/bin/bash

# 0.0.0 shouldn't clobber any released builds
TAG ?= 0.104
REGISTRY ?= gcr.io/k8s-staging-ingress-nginx

IMAGE = $(REGISTRY)/nginx

# required to enable buildx
export DOCKER_CLI_EXPERIMENTAL=enabled

# build with buildx
PLATFORMS?=linux/amd64,linux/arm,linux/arm64,linux/s390x
OUTPUT=
PROGRESS=plain
build: ensure-buildx
	docker buildx build \
		--platform=${PLATFORMS} $(OUTPUT) \
		--progress=$(PROGRESS) \
		--pull \
		--tag $(IMAGE):$(TAG) rootfs

# push the cross built image
push: OUTPUT=--push
push: build

# enable buildx
ensure-buildx:
	./../../hack/init-buildx.sh

.PHONY: build push ensure-buildx