FROM alpine as build
ENV ALPINE_MIRROR https://uk.alpinelinux.org/alpine/v3.8/releases
ENV ALPINE_VERSION 3.8.1
ENV ALPINE_ARCH x86_64
WORKDIR /root
RUN apk add --no-cache curl &&\
  curl -LO ${ALPINE_MIRROR}/${ALPINE_ARCH}/alpine-minirootfs-${ALPINE_VERSION}-${ALPINE_ARCH}.tar.gz &&\
  mkdir /dest &&\
  tar -C /dest -xvzf alpine-minirootfs-${ALPINE_VERSION}-${ALPINE_ARCH}.tar.gz

FROM scratch
COPY --from=build /dest /
CMD ["/bin/sh"]