dockerfile

FROM python:3.7
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV FLASK_APP=app.py
ENV FLASK_ENV=development
# install system dependencies
RUN apt-get update \
    && apt-get -y install gcc make \
    && rm -rf /var/lib/apt/lists/*s
RUN python3 --version
RUN pip3 --version
RUN pip install --no-cache-dir --upgrade pip
WORKDIR /app
COPY ./requirements.txt /app/requirements.txt
RUN pip3 install --no-cache-dir -r requirements.txt
COPY . .
EXPOSE 8080
CMD ["gunicorn", "--bind", "0.0.0.0:8080", "app:app"]