FROM debian:stable-slim

RUN apt-get update && \
    DEBIAN_FRONTEND=noninteractive apt-get install -y \
      dovecot-core dovecot-imapd dovecot-sieve dovecot-managesieved \
      fetchmail mailutils && \
    rm -rf /var/lib/apt/lists/*

# Пользователь
RUN useradd -m mailuser -p "${PROXYPASSHASH}"

# Копируем конфиги
COPY fetchmailrc /home/mailuser/.fetchmailrc
COPY entrypoint.sh /entrypoint.sh
RUN chmod 600 /home/mailuser/.fetchmailrc && \
    mkdir -p /home/mailuser/sieve && \
    mkdir -p /var/mail/mailuser && \
    chown -R mailuser:mailuser /home/mailuser && \
    chown -R mailuser:mailuser /var/mail/mailuser && \
    chmod +x /entrypoint.sh

# Dovecot конфиги
RUN echo 'protocol lda {\n  mail_plugins = $mail_plugins sieve\n}' > /etc/dovecot/conf.d/15-lda.conf && \
    echo 'plugin {\n  sieve = /home/mailuser/sieve/default.sieve\n  sieve_extensions = +fileinto +copy +flags +imapflags +vacation +relational +regex +body +enotify +environment +variables\n}' > /etc/dovecot/conf.d/90-sieve.conf && \
    sed -e 's/mbox:~\/mail/maildir:\/var\/mail\/%u/g' -i /etc/dovecot/conf.d/10-mail.conf
RUN usermod -aG dovecot mailuser


COPY EltexRootCA.crt /usr/local/share/ca-certificates/
RUN update-ca-certificates

EXPOSE 143
ENTRYPOINT ["/entrypoint.sh"]