FROM alpine:3.14 as builder

RUN apk add --no-cache \
    g++ \
    make \
    libmilter-dev \
    spamassassin-client

RUN mkdir /tmp/spamass-milter
RUN wget -qO- https://download.savannah.gnu.org/releases/spamass-milt/spamass-milter-0.4.0.tar.gz | tar -xz -C /tmp/spamass-milter --strip 1
WORKDIR /tmp/spamass-milter

RUN ./configure && make

FROM thallian/confd-env:latest

COPY --from=builder /tmp/spamass-milter/spamass-milter /bin/spamass-milter

RUN apk add --no-cache \
    postfix \
    postfix-pgsql \
    openssl \
    libstdc++ \
    libmilter

RUN addgroup -g 2222 access
RUN addgroup postfix access

RUN chown root /var/spool/postfix/
RUN chown root /var/spool/postfix/pid

EXPOSE 25 587

ADD /rootfs /