FROM python:3.8-slim as base

# ---- compile image -----------------------------------------------
FROM base AS compile-image
RUN apt-get update \
  && apt-get install -y --no-install-recommends \
  build-essential \
  gcc

RUN python -m venv /app/env
ENV PATH="/app/env/bin:$PATH"

COPY requirements.txt .
RUN pip install --upgrade pip
RUN pip install -r requirements.txt

# ---- build image -----------------------------------------------
FROM base AS build-image
COPY --from=compile-image /app/env /app/env

# Make sure we use the virtualenv:
ENV PATH="/app/env/bin:$PATH"
COPY . /app
WORKDIR /app

EXPOSE 5000
ENTRYPOINT [ "python3", "databaseService.py" ]