Files
linuxkit/projects/kubernetes/image-cache/Dockerfile
Ian Campbell fcd5afa152 kubernetes: Adjust for /var/run->/run symlink
PR #2314 turned /var into a tmpfs (possibly overmounted by a persistent disk)
and made /var/run into a symlink to /run. Adjust various containers and bind
mount settings to allow for this change. In particular ensuring that everything
can find the correct shared /var/run/docker.sock, which due to the symlink is
now actually at /run.

Signed-off-by: Ian Campbell <ijc@docker.com>
2017-08-01 15:53:59 +01:00

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Docker

FROM docker:17.06.0-ce AS docker
# Nothing to do in here, just for COPY --from=docker below
FROM linuxkit/alpine:9bcf61f605ef0ce36cc94d59b8eac307862de6e1 AS build
RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
RUN apk add --no-cache --initdb -p /out \
alpine-baselayout \
busybox
# Remove apk residuals. We have a read-only rootfs, so apk is of no use.
RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache
RUN rmdir /out/var/run && ln -nfs /run /out/var/run
FROM scratch
WORKDIR /
COPY --from=build /out /
COPY --from=docker /usr/local/bin/docker /usr/local/bin/docker
COPY *.tar /images/
ENTRYPOINT [ "/bin/sh", "-c" ]
CMD [ "for image in /images/*.tar ; do docker image load -i $image && rm -f $image ; done" ]
LABEL org.mobyproject.config='{"binds": ["/var/run:/var/run"]}'