Buildah-multi image

Dockerfile

ARG arch=
FROM alpine:3.13.5
ENV KUSTOMIZE_VER 4.1.2
ENV KUBECTL_VER 1.19.2
RUN echo $arch
RUN apk --no-cache add curl gettext

RUN  export arch=`ls -1 /lib/ | grep 64 | sed "s/64.*/64/" |cut -f3 -d"-" | grep 64 |head -n1`; if [ $arch = "aarch64" ]; then arch="arm64"; elif [ $arch = "x86_64" ]; then arch="amd64"; else arch=$arch; fi; curl -L https://storage.googleapis.com/kubernetes-release/release/v${KUSTOMIZE_VER}/bin/linux/$arch/kubectl -o /usr/bin/kustomize \
    && chmod +x /usr/bin/kustomize && curl -L https://storage.googleapis.com/kubernetes-release/release/v${KUBECTL_VER}/bin/linux/$arch/kubectl -o /usr/bin/kubectl \
    && chmod +x /usr/bin/kubectl

RUN apk add -U git

Makefile

project=`pwd | sed 's:.*/::'| tr -d '\012\015' `
image_name=alvarogg777/$(project)
architectures=arm64,amd64
architectures_list=$(shell echo $(architectures) | tr "," "\n")
# image_tag=$(shell date -I)
image_tag=latest
target=$(image_name):$(image_tag)

all: build push

build:
        @echo "Building image:"
#        echo $(architectures_list)
#       cd $(project); 
        buildah manifest create $(target) ; \
        for arch in $(architectures_list); do \
                arch_image=$(image_name):$(image_tag)-$$arch ; \
#               buildah bud -v /mnt/ssd/gitlab_alvarogg777/helm-charts/allinone/argo-combined-app:/src -t $$arch_image --arch $$arch . ; \
                buildah bud -t $$arch_image --arch $$arch . ; \
                buildah push --authfile $(HOME)/.docker/config.json $$arch_image ; \
                buildah manifest add $(target) $$arch_image ; \
        done 
        @echo Manifest creation done
push:
        @echo "Pushing image:"
        buildah manifest push --authfile $(HOME)/.docker/config.json  $(target) docker://$(target)
        @echo Manifest creation done

test:
        @echo "Running container:"
        podman run --rm -p 8080:8080 $(PREFIX):$(TAG)