Dockerfile.mda

# Use the official Ubuntu image as a base
FROM ubuntu:latest

# Set environment variables
ENV DEBIAN_FRONTEND=noninteractive

# Update the package list and install necessary packages
RUN apt-get update && \
    apt install -y dovecot-core && \
    apt-get install -y dovecot-pop3d dovecot-imapd
RUN apt-get clean

# Set the working directory
WORKDIR /etc/dovecot

# Copy the Dovecot configuration file
COPY dovecot.conf /etc/dovecot/dovecot.conf

# SSL Configuration
COPY ./ssl/dovecot.pem /etc/dovecot/dovecot.pem
COPY ./ssl/dovecot.pem.private /etc/dovecot/private/dovecot.pem
COPY ./ssl/dh.pem /etc/dovecot/dh.pem
RUN chmod 644 /etc/dovecot/private/dovecot.pem && \
    chmod 644 /etc/dovecot/dh.pem && \
    chmod 644 /etc/dovecot/dovecot.pem

RUN sed -i '/^ssl_cert/d' /etc/dovecot/conf.d/10-ssl.conf && \
    sed -i '/^ssl_key/d' /etc/dovecot/conf.d/10-ssl.conf && \
    sed -i '/^ssl_dh/d' /etc/dovecot/conf.d/10-ssl.conf

RUN echo "ssl = yes" >> /etc/dovecot/conf.d/10-ssl.conf && \
    echo "ssl_dh = </etc/dovecot/dh.pem" >> /etc/dovecot/conf.d/10-ssl.conf && \
    echo "ssl_cert = </etc/dovecot/dovecot.pem" >> /etc/dovecot/conf.d/10-ssl.conf && \
    echo "ssl_key = </etc/dovecot/private/dovecot.pem" >> /etc/dovecot/conf.d/10-ssl.conf


## Delete Old SSL Parameters
RUN rm -f /var/lib/dovecot/ssl-parameters.dat

# Copy the user database file
COPY dovecot-users /etc/dovecot/dovecot-users

# Set permissions for the user database file
RUN chmod 644 /etc/dovecot/dovecot-users

# Initialize files
RUN touch /var/log/dovecot-info.log /var/log/dovecot.log /var/log/dovecot-debug.log

# Expose the POP3 and IMAP ports
EXPOSE 110 143 993 12345

## Maildir
#RUN mkdir -p /var/mail/vmail /var/vmail && \
#    chmod 777 -R /var/mail /var/vmail

# Set user
ARG UNAME=vmail
ARG UID=1000
ARG GID=1000
RUN groupadd -g $GID -o $UNAME && \
    useradd -m -u $UID -g $GID -o -s /bin/bash $UNAME && \
    usermod -aG root vmail   
USER root

# Start Dovecot service
CMD ["sh", "-c", "dovecot -F & tail -f /var/log/dovecot-info.log & tail -f /var/log/dovecot.log & tail -f /var/log/dovecot-debug.log"]