Also wrap access in mutex. Makes sure we don't have any pontential for races in accessing this. It also doesn't really need to be/shouldn't be in the config.json anyway Docker-DCO-1.1-Signed-off-by: Brian Goff <bgoff@cpuguy83-mbp.home> (github: cpuguy83) Upstream-commit: c5e728c953e29b8008cdfb8367910e33ba28b99c Component: engine