FROM alpine:3.21

RUN apk add --no-cache postfix bash

COPY ../share/users.txt /tmp/users.txt
COPY ../share/postfix.sh /tmp/postfix.sh
COPY postfix/main.cf /etc/postfix/main.cf
COPY postfix/entrypoint.sh /entrypoint.sh

RUN chmod +x /tmp/postfix.sh /entrypoint.sh && \
    /tmp/postfix.sh > /etc/postfix/virtual_mailbox && \
    postmap /etc/postfix/virtual_mailbox && \
    rm /tmp/users.txt /tmp/postfix.sh

EXPOSE 25 587

CMD ["/entrypoint.sh"]