FROM alpine:3.11

ARG SCRAPY_PACKAGE_VERSION=1.8.0-r0
ARG SCRAPY_PACKAGE_REPOSITORY=http://dl-cdn.alpinelinux.org/alpine/edge/testing
RUN apk add --no-cache --repository $SCRAPY_PACKAGE_REPOSITORY \
        py3-scrapy=$SCRAPY_PACKAGE_VERSION \
    && adduser -S spider

USER spider
COPY ./ping.py /ping.py
ENTRYPOINT ["scrapy", "runspider", "/ping.py"]