general: try to fix multiarch build

Makefile

@@ -0,0 +1,64 @@
+# Basic definitions
+DOCKER_USERNAME := xddxdd
+ARCHITECTURES := amd64 i386 arm32v7 arm64v8 ppc64le s390x riscv64 x32
+IMAGES := frontend proxy
+
+# General Purpose Preprocessor config
+GPP_INCLUDE_DIR := include
+GPP_FLAGS_U := "" "" "(" "," ")" "(" ")" "\#" ""
+GPP_FLAGS_M := "\#" "\n" " " " " "\n" "(" ")"
+GPP_FLAGS_EXTRA := +c "\\\n" ""
+GPP_FLAGS := -I ${GPP_INCLUDE_DIR} --nostdinc -U ${GPP_FLAGS_U} -M ${GPP_FLAGS_M} ${GPP_FLAGS_EXTRA}
+
+BUILD_ID ?= $(shell date +%Y%m%d%H%M)
+
+# Function to create targets for image/architecture combos
+define create-image-arch-target
+$1/Dockerfile.$2: $1/template.Dockerfile
+	@gpp ${GPP_FLAGS} -D ARCH_$(shell echo $2 | tr a-z A-Z) -o $1/Dockerfile.$2 $1/template.Dockerfile || rm -rf $1/Dockerfile.$2
+
+$1/$2: $1/Dockerfile.$2
+	@if [ -f $1/Dockerfile.$2 ]; then \
+		docker build --pull --no-cache -t ${DOCKER_USERNAME}/$1:$2-${BUILD_ID} -f $1/Dockerfile.$2 $1 || exit 1; \
+		docker push ${DOCKER_USERNAME}/$1:$2-${BUILD_ID} || exit 1; \
+		docker tag ${DOCKER_USERNAME}/$1:$2-${BUILD_ID} ${DOCKER_USERNAME}/$1:$2 || exit 1; \
+		docker push ${DOCKER_USERNAME}/$1:$2 || exit 1; \
+	else \
+		echo "Dockerfile generation failed, see error above"; \
+		exit 1; \
+	fi
+
+endef
+
+# Function to create targets for images
+define create-image-target
+$1:$(foreach arch,latest ${ARCHITECTURES},$1/${arch})
+
+# Target for latest image, mapping to amd64
+$1/latest: $1/amd64
+	@docker tag ${DOCKER_USERNAME}/$1:amd64-${BUILD_ID} ${DOCKER_USERNAME}/$1:${BUILD_ID} || exit 1
+	docker push ${DOCKER_USERNAME}/$1:${BUILD_ID} || exit 1
+	@docker tag ${DOCKER_USERNAME}/$1:amd64-${BUILD_ID} ${DOCKER_USERNAME}/$1:latest || exit 1
+	docker push ${DOCKER_USERNAME}/$1:latest || exit 1
+
+$(foreach arch,${ARCHITECTURES},$(eval $(call create-image-arch-target,$1,$(arch))))
+endef
+
+# By default, build docker images, and do not delete intermediate files
+.DEFAULT_GOAL := images
+.DELETE_ON_ERROR:
+.SECONDARY:
+
+# Create all targets for image/architecture combos
+$(foreach image,${IMAGES},$(eval $(call create-image-target,${image})))
+
+# Target to enable multiarch support
+_crossbuild:
+	@docker run --rm --privileged multiarch/qemu-user-static --reset -p yes >/dev/null
+
+dockerfiles: $(foreach image,${IMAGES},$(foreach arch,${ARCHITECTURES},$(image)/Dockerfile.$(arch)))
+
+images: $(foreach image,${IMAGES},$(image))
+
+clean:
+	@rm -rf */Dockerfile.{$(shell echo ${ARCHITECTURES} | sed "s/ /,/g")}