✨(project) first proof of concept printing pdf from markdown

This is a boilerplate inspired from https://github.com/openfun/joanie

Dockerfile

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+# Django publish
+
+# ---- base image to inherit from ----
+FROM python:3.10-slim-bookworm as base
+
+# Upgrade pip to its latest release to speed up dependencies installation
+RUN python -m pip install --upgrade pip
+
+# Upgrade system packages to install security updates
+    # python3-pip python3-cffi python3-brotli \
+RUN apt-get update && \
+  apt-get -y upgrade && \
+  apt-get -y install \
+    gettext \
+    libpango-1.0-0 libpangoft2-1.0-0 pango1.0-tools && \
+  rm -rf /var/lib/apt/lists/*
+
+# ---- Back-end builder image ----
+FROM base as back-builder
+
+WORKDIR /builder
+
+# Copy required python dependencies
+COPY ./src/backend /builder
+
+RUN mkdir /install && \
+  pip install --prefix=/install .
+
+# ---- mails ----
+FROM node:18 as mail-builder
+
+COPY ./src/mail /mail/app
+
+WORKDIR /mail/app
+
+RUN yarn install --frozen-lockfile && \
+    yarn build
+
+# ---- static link collector ----
+FROM base as link-collector
+ARG publish_STATIC_ROOT=/data/static
+
+# Install rdfind
+RUN apt-get update && \
+    apt-get install -y \
+      rdfind && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy installed python dependencies
+COPY --from=back-builder /install /usr/local
+
+# Copy publish application (see .dockerignore)
+COPY ./src/backend /app/
+
+WORKDIR /app
+
+# collectstatic
+RUN DJANGO_CONFIGURATION=Build DJANGO_JWT_PRIVATE_SIGNING_KEY=Dummy \
+    python manage.py collectstatic --noinput
+
+# Replace duplicated file by a symlink to decrease the overall size of the
+# final image
+RUN rdfind -makesymlinks true -followsymlinks true -makeresultsfile false ${publish_STATIC_ROOT}
+
+# ---- Core application image ----
+FROM base as core
+
+ENV PYTHONUNBUFFERED=1
+
+# Copy entrypoint
+COPY ./docker/files/usr/local/bin/entrypoint /usr/local/bin/entrypoint
+
+# Give the "root" group the same permissions as the "root" user on /etc/passwd
+# to allow a user belonging to the root group to add new users; typically the
+# docker user (see entrypoint).
+RUN chmod g=u /etc/passwd
+
+# Copy installed python dependencies
+COPY --from=back-builder /install /usr/local
+
+# Copy publish application (see .dockerignore)
+COPY ./src/backend /app/
+
+WORKDIR /app
+
+# We wrap commands run in this container by the following entrypoint that
+# creates a user on-the-fly with the container user ID (see USER) and root group
+# ID.
+ENTRYPOINT [ "/usr/local/bin/entrypoint" ]
+
+# ---- Development image ----
+FROM core as development
+
+# Switch back to the root user to install development dependencies
+USER root:root
+
+# Install psql
+RUN apt-get update && \
+    apt-get install -y postgresql-client && \
+    rm -rf /var/lib/apt/lists/*
+
+# Uninstall publish and re-install it in editable mode along with development
+# dependencies
+RUN pip uninstall -y publish
+RUN pip install -e .[dev]
+
+# Restore the un-privileged user running the application
+ARG DOCKER_USER
+USER ${DOCKER_USER}
+
+# Target database host (e.g. database engine following docker compose services
+# name) & port
+ENV DB_HOST=postgresql \
+    DB_PORT=5432
+
+# Run django development server
+CMD python manage.py runserver 0.0.0.0:8000
+
+# ---- Production image ----
+FROM core as production
+
+ARG publish_STATIC_ROOT=/data/static
+
+# Gunicorn
+RUN mkdir -p /usr/local/etc/gunicorn
+COPY docker/files/usr/local/etc/gunicorn/publish.py /usr/local/etc/gunicorn/publish.py
+
+# Un-privileged user running the application
+ARG DOCKER_USER
+USER ${DOCKER_USER}
+
+# Copy statics
+COPY --from=link-collector ${publish_STATIC_ROOT} ${publish_STATIC_ROOT}
+
+# Copy publish mails
+COPY --from=mail-builder /mail/backend/core/templates/mail /app/core/templates/mail
+
+# The default command runs gunicorn WSGI server in publish's main module
+CMD gunicorn -c /usr/local/etc/gunicorn/publish.py publish.wsgi:application