I am setting up a new Jenkins server under macOS 10.13 from scratch (https://jenkins.io/doc/book/installing/#downloading-and-running-jenkins-in-docker) using the jenkinsci blue ocean docker container. It starts-up and runs ok, but when trying to use any docker commands to pull containers within jenkins I get the error below - am I missing any additional Docker setup inside Jenkins?
+ docker pull python:3.6.3 <http://192.168.178.90:9999/blue/#step-14-log-3>Warning: failed to get default registry endpoint from daemon (Cannot connect to the Docker daemon. Is the docker daemon running on this host?). Using system default: https://index.docker.io/v1/ <http://192.168.178.90:9999/blue/#step-14-log-4>Cannot connect to the Docker daemon. Is the docker daemon running on this host? <http://192.168.178.90:9999/blue/#step-14-log-5>script returned exit code 1 -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/7104c36a-fe56-4b30-bfd0-6d58c8007746%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.