FROM python:3.6-buster AS builder
RUN apt-get update && apt-get install -y gcc python-pip
ADD app/requirements.txt /requirements.txt
RUN pip install -U pip && pip install -r requirements.txt

#stage 2
FROM python:3.6-alpine3.9

RUN apk update && \
	apk add --no-cache docker

COPY --from=builder /usr/local/lib/python3.6/site-packages /usr/local/lib/python3.6/site-packages

ADD app /app
RUN printf "\n\nTesting your python code for errors\n\n" && \
  pylint -E /app/*.py

WORKDIR /app
RUN printf "\n#########################\n  Run dragon bot by typing \n  python dragon-bot.py\n#########################\n\n"

CMD python /app/dragon-bot.py