FROM python:3.7 RUN apt-get update RUN apt-get install -y gcc libevent-dev python-dev COPY ./requirements.txt / RUN pip install -r /requirements.txt COPY ./ /app WORKDIR /app EXPOSE 5000 CMD ["gunicorn", "-b", "0.0.0.0:5000","--worker-class", "gthread", "-w","4", "--threads", "100", "app"]