FROM alpine:3

RUN apk add --update --no-cache \
        bash \
        nano \
        curl \ 
        bind-tools \
        postfix \
        postfix-ldap \
        postfix-pcre \
        postfix-policyd-spf-perl \
        ca-certificates

RUN update-ca-certificates && \
    mkdir /cert && \
    mkdir /dh && \
    chown 100:101 /cert && \
    chown 100:101 /dh

COPY --chown=root:root start.sh /
COPY --chown=root:root config/ /config/
COPY --chown=root:root templates/ /templates/

RUN chown -R 100:101 /var/lib/postfix && \
    chmod 750 /var/lib/postfix

VOLUME /cert
VOLUME /dh
VOLUME /var/spool/postfix

EXPOSE 10025/tcp
EXPOSE 10465/tcp

USER root

CMD ["/start.sh"]