How can I run the docker that install in unbuntu 18.04 container

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For some reason , I need to install a docker in my local ubuntu18.04 docker container ( my computer system was Centos ).
the docker was installed successfully in ubuntu18.04 container, but I can’t start it. :joy::joy::joy:
It report as follow:
root@1178e61f5455:/etc/init.d# service docker start
/etc/init.d/docker: 103: ulimit: error setting limit (Operation not permitted)
root@1178e61f5455:/etc/init.d# systemctl start docker
System has not been booted with systemd as init system (PID 1). Can’t operate.

Is there anyway to start the docker in other way ???

Thanks for all your helps!!!