Install-Docker.md

-[<img src="uploads/b78708ab8609c803fced7b5c6c86096f/00-fidle-header-03.svg">](home)
 
 ## Use Docker for Fidle
 
 ### Pre-requesites:
+
 - [Docker](https://docs.docker.com) should be installed on your computer !
   - Check the [download Docker page info](https://docs.docker.com/get-docker/)
   - Do not forget [the post-installation steps](https://docs.docker.com/engine/install/linux-postinstall/) (for Linux in particular)
 
 ### Remark
+
 - All commands presented below and prefixed by `$` are to be launched on a terminal/unix console :smile:
 
 ### 1 - Get the Fidle Docker image
 
-- Get Fidle image : ...it takes some time... (~5mn) and the image is quiet huge (~6.5 GB) <br>
+- Get Fidle image : ...it takes some time... (\~5mn) and the image is quiet huge (\~6.5 GB) \
   `$ docker pull gricad-registry.univ-grenoble-alpes.fr/talks/fidle/fidle_cpu:python3.7`
 
-### 2 - Check the image has been pulled :<br>
-- Have a look to your image:<br>
- `$ docker images`<br>
-   On standard output, you should have a line of the form <br>
+### 2 - Check the image has been pulled :
+
+- Have a look to your image:\
+  `$ docker images`\
+  On standard output, you should have a line of the form 
+
 ```
 gricad-registry.univ-grenoble-alpes.fr/talks/fidle/fidle_cpu   python3.7 [...]  6.05GB
 ```
 
-- You can test it :<br>
-`$ docker run --rm gricad-registry.univ-grenoble-alpes.fr/talks/fidle/fidle_cpu:python3.7 fid check`<br>
+- You can test it :\
+  `$ docker run --rm gricad-registry.univ-grenoble-alpes.fr/talks/fidle/fidle_cpu:python3.7 fid check`\
   You should see printed the following lines (version numbers may change) :
+
 ```
 ==========================================================
 fid - Your favorite Fidle admin command :-)    (v2.0b47)
@@ -61,17 +65,22 @@ Check environment :
     torchvision          : Ok         (0.13.1+cu102)
 ```
 
+### 3 - Create an instance (a "container")
 
-### 3 - Launch Fidle Jupyterlab
-- Launch Jupyterlab for Fidle : <br>
-  `$ docker run -p 8888:8888 gricad-registry.univ-grenoble-alpes.fr/talks/fidle/fidle_cpu:python3.7`
+- This instance is built from the loaded image and is called a **container**<br>
+  `$ docker create -p 8888:8888 --name Fidle gricad-registry.univ-grenoble-alpes.fr/talks/fidle/fidle_cpu:python3.7 jupyter lab`<br>
+where --name Fidle is used to give a name to our container
 
+### 4 - Run our instance
+- Just type : <br>
+  `$ docker start -i Fidle`
 - Copy the URL printed on screen beginning with `http://127.0.0.1:8888/?token`...
 - Open a Web Browser and paste the URL
-   - Jupyterlab for Fidle should be available !
+- Jupyterlab for Fidle should be there !
 
 ### Stop Fidle Jupyterlab
 
-- You can close the Web Fidle window 
-- On the Unix console/Terminal you launched Fidle Jupyterlab
-   - Use Control-C to stop this server and shut down all kernels
+Choice of :
+- In Jupyter lab menu : "File"/"Shutdown"
+- On the Unix console/Terminal you launched Fidle Jupyterlab: <br>
+  use Control-C to stop this server and shutdown all kernels
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