jonaspammerwork/mailserver repository overview

ARG BASE_IMAGE="ghcr.io/docker-mailserver/docker-mailserver:latest"
FROM ${BASE_IMAGE}
FROM selenium/standalone-chrome AS chrome
FROM docker:27-cli AS docker-cli
FROM ${BASE_IMAGE:-ubuntu:latest}

## Common Features
ENV DEBIAN_FRONTEND=noninteractive
ENV LANG=C.UTF-8
ENV LC_ALL=C.UTF-8
# Enable e.g. 'source' and [[
SHELL ["/bin/bash", "-c"]
# Set up environment variables for Docker-in-Docker communication as per GitLab Runner
ENV DOCKER_HOST=tcp://docker:2376 \
    DOCKER_TLS_CERTDIR=/certs \
    DOCKER_TLS_VERIFY=1 \
    DOCKER_CERT_PATH=/certs/client
# Add docker binary and optional supporting files from the docker-cli image
COPY --from=docker-cli /usr/local/bin/docker /usr/local/bin/docker
COPY --from=docker-cli /usr/local/libexec/docker /usr/local/libexec/docker
# Add Chrome support
COPY --from=chrome /opt/selenium /opt/selenium
COPY --from=chrome /usr/bin/google-chrome /usr/bin/google-chrome
COPY --from=chrome /usr/bin/google-chrome /usr/bin/chromedriver
# choose fastest mirror (https://www.baeldung.com/linux/apt-terminal-choose-fastest-mirror)
RUN source /etc/os-release && \
    if [[ "$ID" == "ubuntu" ]]; then \
        sed -iv "s|deb [a-z]*://[^ ]* |deb mirror://mirrors.ubuntu.com/mirrors.txt |g" /etc/apt/sources.list; \
    fi;
# (Deliberately not removing apt cache)
RUN apt-get -qy update && apt-get -qy upgrade && apt-get -qy autoremove
RUN apt-get -qy install tzdata
# Install common Unix utilities
RUN apt-get -qy install curl tar zip unzip wget sed recode dos2unix rpl grep coreutils rsync git jq build-essential util-linux net-tools tree dnsutils iputils-ping
# Install useful CI tools
RUN apt-get -qy install openssl bc netcat-openbsd wait-for-it ripgrep gettext gcc pkg-config binutils
RUN apt-get -qqy install bat nano iproute2 || true
# Install "SMTP Swiss Army Knife"
RUN (curl -L https://jetmore.org/john/code/swaks/files/swaks-20240103.0/swaks -o /usr/bin/swaks && chmod 755 /usr/bin/swaks) || apt-get install -qy swaks
# Install Taskfile
RUN sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d -b /usr/bin
# Install Ruby, gem, and Bundler
RUN apt-get -qy install ruby && gem install bundler
# https://github.com/ruby/bigdecimal/issues/297 - fix bigdecimal install error
RUN apt-get -qy install libjemalloc-dev libgmp-dev libz-dev clang

# Install Node Version Manager
ENV NVM_DIR=/root/.nvm
RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/master/install.sh | bash


ARG POSTMASTER_ADDRESS="[email protected]"
# https://github.com/docker-mailserver/docker-mailserver/blob/master/mailserver.env
## General section
ENV POSTMASTER_ADDRESS=${POSTMASTER_ADDRESS}
ENV ENABLE_UPDATE_CHECK=0
ENV PERMIT_DOCKER=connected-networks
#ENV SPOOF_PROTECTION=0
ENV ENABLE_OPENDKIM=0
ENV ENABLE_OPENDMARC=0
ENV ENABLE_POLICYD_SPF=0
#ENV ENABLE_POP3=0
#ENV ENABLE_IMAP=1
#ENV ENABLE_CLAMAV=0
#ENV ENABLE_RSPAMD=0
#ENV ENABLE_FAIL2BAN=0
ENV ENABLE_AMAVIS=0
ENV ENABLE_QUOTAS=0
#ENV POSTFIX_MESSAGE_SIZE_LIMIT=10240000
ENV POSTFIX_INET_PROTOCOLS=ipv4
ENV DOVECOT_INET_PROTOCOLS=ipv4

## SpamAssasin section
#ENV ENABLE_SPAMASSASSIN=0
ENV MOVE_SPAM_TO_JUNK=0


# https://docker-mailserver.github.io/docker-mailserver/latest/config/account-management/provisioner/file/
RUN setup email add "${POSTMASTER_ADDRESS}" admin
# https://docker-mailserver.github.io/docker-mailserver/latest/faq/#can-i-use-a-nakedbare-domain-ie-no-hostname
RUN echo "mydestination = localhost.$mydomain, localhost" > /tmp/docker-mailserver/postfix-main.cf

COPY mailserver-dovecot.cf /etc/dovecot/conf.d/99-jonaspammer.conf

# https://github.com/docker-mailserver/docker-mailserver/blob/master/compose.yaml
HEALTHCHECK --timeout=3s CMD ss --listening --tcp | grep -P 'LISTEN.+:smtp' || exit 1