FROM linuxkit/alpine:6090baae063eb5023c9601966e88df831f789a70 AS mirror

RUN apk add --no-cache go musl-dev linux-headers
ARG GOPKGVERSION
ENV ldflags="-X main.Version=$GOPKGVERSION"
ENV GOPATH=/go PATH=$PATH:/go/bin

# Hack to work around an issue with go on arm64 requiring gcc
RUN [ $(uname -m) = aarch64 ] && apk add --no-cache gcc || true

COPY .  /go/src/kmsg/
RUN go-compile.sh /go/src/kmsg

FROM scratch
ENTRYPOINT []
CMD []
WORKDIR /
COPY --from=mirror /go/bin/kmsg /usr/bin/kmsg
CMD ["/usr/bin/kmsg"]
