FROM docker:19.03.13-dind

RUN apk add --upgrade --no-cache \
  bash \
  curl \
  jq \
  restic

COPY backup.sh /usr/bin/backup.sh
RUN chmod +x /usr/bin/backup.sh

RUN echo "*       *       *       *       *       /usr/bin/backup.sh" | crontab -
RUN crontab -l

ENTRYPOINT ["crond", "-f", "-L", "/dev/stdout"]