FROM alpine

LABEL org.opencontainers.image.authors="bluefox@privacynerd.de"


WORKDIR /

RUN apk update --no-cache && \
    apk add --no-cache git && \
    adduser -g cronuser -s /bin/sh -H -D cronuser && \
    mkdir crond logs && \
    touch logs/crond.log logs/puller.log && \
    chown cronuser logs -R && \
    echo $'#!/bin/sh\ncd /to-pull && git pull' > puller.sh && \
    echo $'* * * * * cronuser /puller.sh\n' > crond/cronuser && \
    chmod +x puller.sh

ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["crond", "-f", "-c", "crond"]