FROM alpine:3.22.2

LABEL Maintainer="Wolfgang Hottgenroth <woho@hottis.de>"
LABEL ImageName=""

RUN \
  apk add --no-cache exim && \
  mkdir -p /var/log/exim && \
  chown exim:mail /var/log/exim && \
  ln -sf /dev/stdout /var/log/exim/mainlog && \
  ln -sf /dev/stdout /var/log/exim/rejectlog && \
  ln -sf /dev/stdout /var/log/exim/paniclog 

COPY exim.conf /etc/exim
RUN chmod 644 /etc/exim/exim.conf

WORKDIR /etc/exim

EXPOSE 25

CMD [ "/usr/sbin/exim", "-bdf", "-q15m" ]