our base image

FROM alpine:3.5

Install python and pip

RUN apk add --update py2-pip

install Python modules needed by the Python app

COPY requirements.txt /usr/src/app/ RUN pip install --no-cache-dir -r /usr/src/app/requirements.txt

copy files required for the app to run

COPY app.py /usr/src/app/ COPY templates/index.html /usr/src/app/templates/

tell the port number the container should expose

EXPOSE 5000

run the application

CMD ["python", "/usr/src/app/app.py"]