FROM linuxkit/alpine:f3cd219615428b2bd943411723eb28875275fae7 AS mirror

RUN apk add --no-cache go musl-dev git
ENV GOPATH=/go PATH=$PATH:/go/bin

ENV VIRTSOCK_COMMIT=a381dcc5bcddf1d7f449495c373dbf70f8e501c0
RUN mkdir -p $GOPATH/src/github.com/linuxkit && \
  cd $GOPATH/src/github.com/linuxkit && \
  git clone https://github.com/linuxkit/virtsock.git && \
  cd virtsock && \
  git checkout $VIRTSOCK_COMMIT

COPY .  /go/src/host-timesync-daemon
RUN go-compile.sh /go/src/host-timesync-daemon

FROM scratch
ENTRYPOINT []
CMD []
WORKDIR /
COPY --from=mirror /go/bin/host-timesync-daemon /usr/bin/host-timesync-daemon
CMD ["/usr/bin/host-timesync-daemon", "-port", "0xf3a4"]
LABEL org.mobyproject.config='{"binds": [ "/dev/rtc0:/dev/rtc0" ], "capabilities": ["CAP_SYS_TIME"]}'