FROM alpine:3.21

RUN apk add --no-cache dovecot bash

RUN mkdir -p /var/mail/vhosts && \
    addgroup -g 5000 vmail && \
    adduser -D -u 5000 -G vmail -h /var/mail/vhosts vmail

COPY ../share/users.txt /tmp/users.txt
COPY ../share/dovecot.sh /tmp/dovecot.sh

RUN chmod +x /tmp/dovecot.sh && \
    /tmp/dovecot.sh > /etc/dovecot/users && \
    rm /tmp/users.txt /tmp/dovecot.sh

EXPOSE 143 993

CMD ["dovecot", "-F"]