FROM debian:stretch ADD https://raw.githubusercontent.com/docker-gcf/docker-gcf/v1.5.0/setup.sh /tmp/docker-utils-setup.sh RUN sh /tmp/docker-utils-setup.sh ENTRYPOINT ["gcf-entrypoint"] CMD ["opendkim", "-f"] RUN pkgs-install opendkim opendkim-tools openssl libopendbx1-pgsql rsyslog COPY ./config /etc/salt/base/