Update docs in `docker service create/update` for flag `--user` Upstream-commit: 50c08f0f0990740a574d22cfd95e0ae5b8b13958 Component: engine
Update docs in `docker service create/update` for flag `--user` Upstream-commit: 50c08f0f0990740a574d22cfd95e0ae5b8b13958 Component: engine