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Fix docs for tmpfs (pr 19688)

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Underlying files are no longer copied to the tmpfs.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2016-01-26 17:39:13 -08:00 committed by Tibor Vass
parent 7d749fbd48
commit c9417fac95
2 changed files with 10 additions and 6 deletions
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7
docs/reference/commandline/run.md
View file

@ -163,13 +163,12 @@ flag exists to allow special use-cases, like running Docker within Docker.
The `-w` lets the command being executed inside directory given, here
`/path/to/dir/`. If the path does not exists it is created inside the container.
### mount tmpfs (--tmpfs)
### Mount tmpfs (--tmpfs)
$ docker run -d --tmpfs /run:rw,noexec,nosuid,size=65536k my_image
The --tmpfs flag mounts a tmpfs into the container with the rw,noexec,nosuid,size=65536k options.
Underlying content from the /run in the my_image image is copied into tmpfs.
The `--tmpfs` flag mounts an empty tmpfs into the container with the `rw`,
`noexec`, `nosuid`, `size=65536k` options.
### Mount volume (-v, --read-only)

9
docs/reference/run.md
View file

@ -1365,9 +1365,14 @@ Similarly the operator can set the **hostname** with `-h`.
### TMPFS (mount tmpfs filesystems)
--tmpfs=[]: Create a tmpfs mount with: container-dir[:<options>], where the options are identical to the Linux `mount -t tmpfs -o` command.
```bash
--tmpfs=[]: Create a tmpfs mount with: container-dir[:<options>],
where the options are identical to the Linux
'mount -t tmpfs -o' command.
```
Underlying content from the "container-dir" is copied into tmpfs.
The example below mounts an empty tmpfs into the container with the `rw`,
`noexec`, `nosuid`, and `size=65536k` options.
$ docker run -d --tmpfs /run:rw,noexec,nosuid,size=65536k my_image