FROM python:3.6-alpine

RUN echo ' ---> Setting up build environment' \
    && apk update \
    && apk add --no-cache --virtual .build-deps \
       gcc libc-dev linux-headers

RUN echo ' ---> Setting up user environment' \
    && adduser -D -H cerber \
    && mkdir /app \
    && chown cerber /app

COPY . /app
WORKDIR /app

RUN echo ' ---> Installing package from source' \
    && pip install -e /app

RUN echo ' ---> Clean up build environment' \
    && apk del .build-deps \
    && rm -rf ~/.cache

USER cerber

CMD python -m cerber.stat.entrypoints.wsgi