Dockerfile

FROM pypy:3.8-slim as base

ENV PYTHONUNBUFFERED 1

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update
RUN apt-get -y upgrade

RUN pip install virtualenv
ENV PATH="/venv/bin:$PATH"
RUN virtualenv /venv

FROM base as builder

RUN apt-get -y install --no-install-recommends syslog-ng postgresql build-essential libpq-dev

WORKDIR /venv
RUN /bin/bash -c "source /venv/bin/activate"
COPY requirements.txt /venv/requirements.txt
RUN pip install psycopg2cffi --no-cache-dir
RUN pip install -r requirements.txt --no-cache-dir
RUN pip install gunicorn

RUN rm /venv/requirements.txt

WORKDIR /cms

COPY . .

RUN python -m compileall . -b
RUN find . -name "*.py" -exec rm -rf {} \;

RUN rm requirements.txt
RUN rm Dockerfile

FROM base as packager

RUN apt-get -y install --no-install-recommends libpq-dev

COPY --from=builder /venv /venv
COPY --from=builder /cms /cms

WORKDIR /cms
RUN /bin/bash -c "source /venv/bin/activate"

ENV WEB_CONCURRENCY 5
ENV PORT 8000
ENV MAX_REQUESTS 1000
ENV MAX_REQUESTS_JITTER 50
ENV TIMEOUT 30
EXPOSE $PORT

CMD gunicorn --timeout $TIMEOUT --max-requests $MAX_REQUESTS --max-requests-jitter $MAX_REQUESTS_JITTER --workers $WEB_CONCURRENCY -b [::]:$PORT --log-level=error cms.wsgi