Docker - bitbake complains if run as root

[rdar-lab]

bitbake complains if run as root

ERROR: OE-core's config sanity checker detected a potential misconfiguration.
Either fix the cause of this error or at your own risk disable the checker (see sanity.conf).
Following is the list of potential problems / advisories:

Do not use Bitbake as root.

ERROR: Execution of event handler 'check_sanity_eventhandler' failed
ERROR: Command execution failed: Exited with 1

Summary: There were 3 ERROR messages shown, returning a non-zero exit code.

Workaround:

$ touch conf/sanity.conf