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Update stop.md 

Updates the stop.md doc to mention that the stop signal can be changed, either with the Dockerfile or via `docker run --stop-signal`. This is a real gotcha if you're not familiar with this feature and build a container that extends a container that uses `STOPSIGNAL`.

Signed-off-by: Christopher Vermilion <christopher.vermilion@gmail.com>
(cherry picked from commit 41d169d211)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Chris Vermilion 2021-04-03 17:13:01 -04:00 committed by Sebastiaan van Stijn
parent bb03b9d3c2
commit 1ff45aac40
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docs/reference/commandline/stop.md
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@ -19,7 +19,9 @@ Options:
## Description
The main process inside the container will receive `SIGTERM`, and after a grace
period, `SIGKILL`.
period, `SIGKILL`. The first signal can be changed with the `STOPSIGNAL`
instruction in the container's Dockerfile, or the `--stop-signal` option to
`docker run`.
## Examples