Files
relay/docker/chatmail_relay.dockerfile

102 lines
3.8 KiB
Docker

# syntax=docker/dockerfile:1
FROM jrei/systemd-debian:12 AS base
ENV LANG=en_US.UTF-8
RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
--mount=type=cache,target=/var/lib/apt/lists,sharing=locked \
echo 'APT::Install-Recommends "0";' > /etc/apt/apt.conf.d/01norecommend && \
echo 'APT::Install-Suggests "0";' >> /etc/apt/apt.conf.d/01norecommend && \
apt-get update && \
DEBIAN_FRONTEND=noninteractive TZ=UTC \
apt-get install -y \
ca-certificates \
gcc \
git \
python3 \
python3-dev \
python3-venv \
tzdata \
locales && \
sed -i -e "s/# $LANG.*/$LANG UTF-8/" /etc/locale.gen && \
dpkg-reconfigure --frontend=noninteractive locales && \
update-locale LANG=$LANG
# --- Build-time: install cmdeploy venv and run install stage ---
# Editable install so importlib.resources reads directly from the source tree.
# On container start only "configure,activate" stages run.
# Copy dependency metadata first so pip install layer is cached
COPY cmdeploy/pyproject.toml /opt/chatmail/cmdeploy/pyproject.toml
COPY chatmaild/pyproject.toml /opt/chatmail/chatmaild/pyproject.toml
# Dummy scaffolding so editable install can discover packages
RUN mkdir -p /opt/chatmail/cmdeploy/src/cmdeploy \
/opt/chatmail/chatmaild/src/chatmaild && \
touch /opt/chatmail/cmdeploy/src/cmdeploy/__init__.py \
/opt/chatmail/chatmaild/src/chatmaild/__init__.py
# Dummy git repo: .git/ is excluded from the build context (.dockerignore)
# but setuptools calls `git ls-files` when building the sdist.
WORKDIR /opt/chatmail
RUN --mount=type=cache,target=/root/.cache/pip \
git init -q && \
python3 -m venv /opt/cmdeploy && \
/opt/cmdeploy/bin/pip install -e chatmaild/ -e cmdeploy/
# Full source copy (editable install's .egg-link still points here)
COPY . /opt/chatmail/
# Minimal chatmail.ini
RUN printf '[params]\nmail_domain = build.local\n' > /tmp/chatmail.ini
RUN CMDEPLOY_STAGES=install \
CHATMAIL_INI=/tmp/chatmail.ini \
CHATMAIL_NOSYSCTL=True \
CHATMAIL_NOPORTCHECK=True \
/opt/cmdeploy/bin/pyinfra @local \
/opt/chatmail/cmdeploy/src/cmdeploy/run.py -y
RUN cp -a www/ /opt/chatmail-www/
# Remove build-only packages and their deps — not needed at runtime
RUN apt-get purge -y gcc git python3-dev && \
apt-get autoremove -y && \
rm -f /tmp/chatmail.ini
# Record image version (used in deploy fingerprint at runtime).
# GIT_HASH is passed as a build arg (from docker-compose or CI) so that
# .git/ can be excluded from the build context via .dockerignore.
# Two files: chatmail-image-version is the immutable build hash (survives
# deploys); chatmail-version is overwritten by cmdeploy run and restored
# from the image version after each deploy in chatmail-init.sh.
ARG GIT_HASH=unknown
RUN echo "$GIT_HASH" > /etc/chatmail-image-version && \
echo "$GIT_HASH" > /etc/chatmail-version
# --- End build-time install ---
ENV TZ=:/etc/localtime
ENV PATH="/opt/cmdeploy/bin:${PATH}"
RUN ln -s /etc/chatmail/chatmail.ini /opt/chatmail/chatmail.ini
ARG CHATMAIL_INIT_SERVICE_PATH=/lib/systemd/system/chatmail-init.service
COPY ./docker/chatmail-init.service "$CHATMAIL_INIT_SERVICE_PATH"
RUN ln -sf "$CHATMAIL_INIT_SERVICE_PATH" "/etc/systemd/system/multi-user.target.wants/chatmail-init.service"
# Remove default nginx site config at build time (not in entrypoint)
RUN rm -f /etc/nginx/sites-enabled/default
COPY --chmod=555 ./docker/chatmail-init.sh /chatmail-init.sh
COPY --chmod=555 ./docker/entrypoint.sh /entrypoint.sh
COPY --chmod=555 ./docker/healthcheck.sh /healthcheck.sh
HEALTHCHECK --interval=10s --start-period=180s --timeout=10s --retries=3 \
CMD /healthcheck.sh
STOPSIGNAL SIGRTMIN+3
ENTRYPOINT ["/entrypoint.sh"]
CMD [ "--default-standard-output=journal+console", \
"--default-standard-error=journal+console" ]