Copying the entire docker service file isn't necessary to add an
environment variable, instead use a drop-in configuration file. The nice
side-effect is that the user gets any vendor updates to the
docker.service file.
Signed-off-by: Brandon Philips <brandon.philips@coreos.com>
Upstream-commit: 2d51d71561565987fc6a600234f2e2d15e0ecf31
Component: engine
Minor but important typo in the new systemd guide introduced in #9347.
Signed-off-by: Brandon Philips <brandon.philips@coreos.com>
Upstream-commit: 1ae7be716eadf6efdc7ee033c83127e975222a76
Component: engine
