# Use the official Python image. # https://hub.docker.com/_/python FROM python # Copy local code to the container image. ENV APP_HOME /app WORKDIR $APP_HOME COPY . . # Install production dependencies. RUN pip install Flask # Service must listen to $PORT environment variable. # This default value facilitates local development. ENV PORT 8080 # Run the web service on container startup. CMD ["python", "app.py"]