FROM python:3.9-slim-bullseye

ENV VIRTUAL_ENV=/opt/venv
RUN python3 -m venv $VIRTUAL_ENV
ENV PATH="$VIRTUAL_ENV/bin:$PATH"

# Install dependencies:
COPY requirements.txt .

RUN pip install --upgrade pip &&\
    pip install wheel &&\
    pip install -r requirements.txt

# Build the whole stuff
COPY . .
COPY config.yml-dist config.yml

# Allow running outside compose
CMD flask --app heliopropa:application run --host=0.0.0.0