FROM ubuntu:18.04 RUN apt-get update &&\ apt-get install -yq ca-certificates procps systemd wget apt-transport-https libcap2-bin COPY socat /bin/socat # Insert our fake certs to the system bundle so they are trusted COPY certs/*.signalfx.com.* / RUN cat /*.cert >> /etc/ssl/certs/ca-certificates.crt ENV container docker RUN rm -f /lib/systemd/system/multi-user.target.wants/* \ /etc/systemd/system/*.wants/* \ /lib/systemd/system/local-fs.target.wants/* \ /lib/systemd/system/sockets.target.wants/*udev* \ /lib/systemd/system/sockets.target.wants/*initctl* \ /lib/systemd/system/systemd-update-utmp* RUN systemctl set-default multi-user.target ENV init /lib/systemd/systemd VOLUME [ "/sys/fs/cgroup" ] ENTRYPOINT ["/lib/systemd/systemd"]