1 # Use the official lightweight Python image.

2 # https://hub.docker.com/_/python

3 FROM python:3.6-slim

4

5 # Copy local code to the container image.

6 ENV APP_HOME /app

7 WORKDIR $APP_HOME

8 COPY . ./

9

10 # Install production dependencies.

11 RUN pip install -r requirements.pip

12

13 # Run the web service on container startup. Here we use the gunicorn

14 # webserver, with one worker process and 8 threads.

15 # For environments with multiple CPU cores, increase the number of workers

16 # to be equal to the cores available.

17 CMD exec gunicorn --bind :$PORT --workers 1 --threads 8 --timeout 0 pics_flask_app:app