# Build dependencies on native arch (no QEMU needed)
FROM --platform=$BUILDPLATFORM alpine:3.24 AS base
RUN apk add --no-cache ca-certificates tzdata
RUN addgroup -g 1000 smtp2shoutrrr && adduser -u 1000 -G smtp2shoutrrr -s /bin/sh -D smtp2shoutrrr

# Runtime image
FROM scratch
LABEL maintainer="Felipe Martin <me@fmartingr.com>"
LABEL org.opencontainers.image.source="https://git.nakama.town/fmartingr/smtp2shoutrrr"

ARG TARGETPLATFORM

COPY --from=base /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
COPY --from=base /usr/share/zoneinfo /usr/share/zoneinfo
COPY --from=base /etc/passwd /etc/passwd
COPY --from=base /etc/group /etc/group
COPY $TARGETPLATFORM/smtp2shoutrrr /usr/local/bin/smtp2shoutrrr

USER smtp2shoutrrr

ENTRYPOINT ["/usr/local/bin/smtp2shoutrrr"]