## Build venv
FROM python:3.9.5-buster AS venv

# https://python-poetry.org/docs/#installation
ENV POETRY_VERSION=1.1.6
RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python

ENV PATH /root/.poetry/bin:$PATH
ENV PYTHONPATH $PYTHONPATH:/root/.poetry/lib

WORKDIR /app

COPY pyproject.toml poetry.lock ./

RUN python -m venv --copies /app/venv \
    && . /app/venv/bin/activate \
    && poetry install --no-dev


## Get git versions
FROM alpine/git:v2.30.2 AS git
ADD . /app
WORKDIR /app
RUN git rev-parse HEAD | tee /version


## Beginning of runtime image
FROM python:3.9.5-slim-buster as prod

RUN echo "Europe/Paris" > /etc/timezone

COPY --from=venv /app/venv /app/venv/
ENV PATH /app/venv/bin:$PATH
ENV PYTHONPATH $PYTHONPATH:/app

WORKDIR /app
COPY pyproject.toml ./
COPY contrib/run ./run
COPY src ./src/
COPY --from=git /version /app/.version

HEALTHCHECK --start-period=30s CMD python -c "import requests; requests.get('http://localhost:8000', timeout=2)"

WORKDIR /app/src
CMD ["/app/run"]