FROM registry.lan/alpine:3.10 RUN apk -v --update add \ python \ py-pip \ groff \ less \ mailcap \ jq \ && \ pip install --upgrade awscli==1.14.5 s3cmd==2.0.1 python-magic && \ apk -v --purge del py-pip && \ rm /var/cache/apk/* COPY ./update-dns.sh /usr/local/bin/ RUN chmod +x /usr/local/bin/update-dns.sh RUN mkdir -p /etc/cron.d/ RUN echo -e "*/10 * * * * update-dns.sh > /proc/1/fd/1 2>/proc/1/fd/2\n" > /etc/cron.d/dns-cron RUN crontab /etc/cron.d/dns-cron CMD ["cron", "-f"]