Make docker file to support multi platform

make-docker-file.sh

ARCHS=(arm s390x amd64 ppc64le)
QEMUARCHS=(arm s390x x86_64 ppc64le)


makeDockerfile() {
    local arch=$1
    local dockerfile

    dockerfile="Dockerfile-${arch}"

    /bin/cp -f Dockerfile.template "$dockerfile"

    # Make the Dockerfile after we set the base image
    sed -i "s|BASEIMAGE|${BASEIMAGE}|g" "$dockerfile"

    if [[ "${arch}" == "amd64" ]]; then
        sed -i "/CROSS_BUILD_/d" "$dockerfile"
    else
        if [[ "${arch}" == "arm64" ]]; then
            sed -i "s|ARCH|aarch64|g" "$dockerfile"
        else
            sed -i "s|ARCH|${arch}|g" "$dockerfile"
        fi
        sed -i "s/CROSS_BUILD_//g" "$dockerfile"
    fi
}


get-base-image() {
    local arch=$1
    
    # Parse architectures and variants
    if [[ $arch == amd64 ]]; then
        BASEIMAGE="ubuntu"
    elif [[ $arch == arm ]]; then
        BASEIMAGE="arm32v7/ubuntu"
    elif [[ $arch == s390x ]]; then
        BASEIMAGE="s390x/ubuntu"
    elif [[ $arch == ppc64le ]]; then
        BASEIMAGE="ppc64le/ubuntu"
    fi

    makeDockerfile "${arch}"
}