FROM linuxkit/alpine:316c3f9d85c21fdd8bc7479e81d290f85bf60eb0 AS mirror RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/ RUN apk add --no-cache --initdb -p /out \ alpine-baselayout \ busybox \ cryptsetup \ musl \ util-linux RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache FROM scratch ENTRYPOINT [] CMD [] WORKDIR / COPY --from=mirror /out/ / COPY /swap.sh . ENTRYPOINT ["swap.sh"]