FROM python:3.8-slim-buster as builder

RUN apt-get update && apt-get install -y build-essential
COPY requirements.txt .
RUN python3 -m venv /opt/venv && \
    . /opt/venv/bin/activate && \
    pip3 install uwsgi && \
    pip3 install -r requirements.txt

FROM python:3.8-slim-buster
COPY --from=builder /opt/venv  /opt/venv 
ENV PATH="/opt/venv/bin:$PATH"
WORKDIR /app/
COPY . .

CMD . /opt/venv/bin/activate && flask run