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get-started: update bind mount topic (#18450) 

* update get-started bind mount

Signed-off-by: Craig Osterhout <craig.osterhout@docker.com>
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Craig Osterhout 2023-10-18 08:50:24 -07:00 committed by GitHub
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content/get-started/06_bind_mounts.md
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@ -45,10 +45,17 @@ work.
> >
> If you use Windows and want to use Git Bash to run Docker commands, see [Working with Git Bash](../desktop/troubleshoot/topics.md#working-with-git-bash) for syntax differences. > If you use Windows and want to use Git Bash to run Docker commands, see [Working with Git Bash](../desktop/troubleshoot/topics.md#working-with-git-bash) for syntax differences.
1. Open a terminal and change directory to the `getting-started-app` 1. Verify that your `getting-started-app` directory is in a directory defined in
Docker Desktop's file sharing setting. This setting defines which parts of your
filesystem you can share with containers. For details about accessing the
setting, see the topic for [Mac](../desktop/settings/mac.md/#file-sharing),
[Windows](../desktop/settings/windows.md/#file-sharing), or
[Linux](../desktop/settings/linux.md/#file-sharing).
2. Open a terminal and change directory to the `getting-started-app`
directory. directory.
2. Run the following command to start `bash` in an `ubuntu` container with a 3. Run the following command to start `bash` in an `ubuntu` container with a
bind mount. bind mount.
{{< tabs >}} {{< tabs >}}
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current working directory on your host machine (`getting-started-app`), and current working directory on your host machine (`getting-started-app`), and
`target` is where that directory should appear inside the container (`/src`). `target` is where that directory should appear inside the container (`/src`).
3. After running the command, Docker starts an interactive `bash` session in the 4. After running the command, Docker starts an interactive `bash` session in the
root directory of the container's filesystem. root directory of the container's filesystem.
```console ```console
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boot etc lib mnt proc run src sys usr boot etc lib mnt proc run src sys usr
``` ```
4. Change directory to the `src` directory. 5. Change directory to the `src` directory.
This is the directory that you mounted when starting the container. Listing This is the directory that you mounted when starting the container. Listing
the contents of this directory displays the same files as in the the contents of this directory displays the same files as in the
@ -104,7 +111,7 @@ work.
Dockerfile node_modules package.json spec src yarn.lock Dockerfile node_modules package.json spec src yarn.lock
``` ```
5. Create a new file named `myfile.txt`. 6. Create a new file named `myfile.txt`.
```console ```console
root@ac1237fad8db:/src# touch myfile.txt root@ac1237fad8db:/src# touch myfile.txt
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Dockerfile myfile.txt node_modules package.json spec src yarn.lock Dockerfile myfile.txt node_modules package.json spec src yarn.lock
``` ```
6. Open the `getting-started-app` directory on the host and observe that the 7. Open the `getting-started-app` directory on the host and observe that the
`myfile.txt` file is in the directory. `myfile.txt` file is in the directory.
``` ```
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│ └── yarn.lock │ └── yarn.lock
``` ```
7. From the host, delete the `myfile.txt` file. 8. From the host, delete the `myfile.txt` file.
8. In the container, list the contents of the `app` directory once more. Observe that the file is now gone. 9. In the container, list the contents of the `app` directory once more. Observe that the file is now gone.
```console ```console
root@ac1237fad8db:/src# ls root@ac1237fad8db:/src# ls
Dockerfile node_modules package.json spec src yarn.lock Dockerfile node_modules package.json spec src yarn.lock
``` ```
9. Stop the interactive container session with `Ctrl` + `D`. 10. Stop the interactive container session with `Ctrl` + `D`.
That's all for a brief introduction to bind mounts. This procedure That's all for a brief introduction to bind mounts. This procedure
demonstrated how files are shared between the host and the container, and how demonstrated how files are shared between the host and the container, and how