ARG REPO=library
FROM multiarch/qemu-user-static:4.2.0-2 as qemu-user-static
FROM ${REPO}/alpine:3.10

# Copying all qemu files because amd64 doesn't exist and cannot condional copy
COPY --from=qemu-user-static /usr/bin/qemu-* /usr/bin/

ARG GOARCH=amd64
COPY ./cadvisor-${GOARCH} /usr/bin/cadvisor

ENV CADVISOR_HEALTHCHECK_URL=http://localhost:8080/healthz

HEALTHCHECK --interval=30s --timeout=3s \
  CMD wget --quiet --tries=1 --spider $CADVISOR_HEALTHCHECK_URL || exit 1

EXPOSE 8080
ENTRYPOINT ["/usr/bin/cadvisor", "-logtostderr"]