FROM python:3-slim as builder

WORKDIR /usr/src/app

COPY requirements.txt requirements.txt

RUN pip install -r requirements.txt

COPY app.py app.py

CMD ["python", "app.py" ]

FROM builder AS dev

COPY requirements-dev.txt requirements-dev.txt

RUN pip install -r requirements-dev.txt

FROM builder AS production

EXPOSE 8080

CMD ["python", "app.py" ]