ARG DISTRO=alpine:3.8
FROM $DISTRO

COPY requirements.txt /requirements.txt

ARG version=master
ENV VERSION=$version

RUN apk add --no-cache nginx curl python3 \
 && pip3 install -r /requirements.txt \
 && mkdir /run/nginx

COPY ./nginx.conf /etc/nginx/conf.d/default.conf
COPY . /docs

RUN mkdir -p /build/$VERSION \
 && sphinx-build -W /docs /build/$VERSION

EXPOSE 80/tcp

CMD nginx -g "daemon off;"