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Clarify where the RUN command runs from 

Also, chained/quoted shell does not work

Signed-off-by: Julien Maitrehenry <julien.maitrehenry@me.com>
This commit is contained in:
Julien Maitrehenry 2017-04-25 20:54:06 -04:00 committed by Tibor Vass
parent 4977ec1cca
commit 33fecab492
1 changed files with 8 additions and 0 deletions
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8
docs/reference/commandline/exec.md
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@ -39,6 +39,14 @@ The command started using `docker exec` only runs while the container's primary
process (`PID 1`) is running, and it is not restarted if the container is
restarted.
COMMAND will run in the default directory of the container. It the
underlying image has a custom directory specified with the WORKDIR directive
in its Dockerfile, this will be used instead.
COMMAND should be an executable, a chained or a quoted command
will not work. Example: `docker exec -ti my_container "echo a && echo b"` will
not work, but `docker exec -ti my_container sh -c "echo a && echo b"` will.
## Examples
### Run `docker exec` on a running container