# Stage 1: Dependencies (Alpine)
FROM alpine:latest AS alpine
RUN apk add --no-cache ca-certificates tini-static
RUN mkdir /tmp-orig

ARG TARGETPLATFORM
# Binaries are staged per-platform by goreleaser dockers_v2
COPY $TARGETPLATFORM/backrest /backrest
RUN /backrest --install-deps-only

# Setup restic path
RUN mkdir -p /bin && mv /root/.local/share/backrest/restic /bin/restic


# Stage 2: Final Image (Scratch)
FROM scratch
LABEL org.opencontainers.image.source="https://github.com/garethgeorge/backrest"

COPY --from=alpine /tmp-orig /tmp
COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=alpine /bin/restic /bin/restic
COPY --from=alpine /sbin/tini-static /tini

ARG TARGETPLATFORM
COPY $TARGETPLATFORM/backrest /backrest
COPY $TARGETPLATFORM/docker-entrypoint /docker-entrypoint

ENTRYPOINT ["/tini", "--", "/docker-entrypoint"]
CMD ["/backrest"]