Add note about sharedVolumes=false for Docker scenario

Author: Chuxel

containers/azure-machine-learning-python-3/README.md

@@ -12,9 +12,13 @@
 
 ## Using this definition with an existing folder
 
-This definition requires an Azure subscription to use. You can create a [free account here](https://account.azure.com/signup?offer=ms-azr-0044p&appId=102&ref=azureplat-generic&redirectURL=https%3a%2f%2fazure.microsoft.com%2fen-us%2fget-started%2fwelcome-to-azure%2f&l=en-us&correlationId=15FE63BE1C4960F42D1B6EFB18496296) and learn more about using [Azure Machine Learning with VS Code here](https://docs.microsoft.com/en-us/azure/machine-learning/service/how-to-vscode-tools#get-started-with-azure-machine-learning).
+There are a few notes for using this definition:
 
-The definition also uses an Anaconda base image which can take some time to download the first time given its size.
+1. This definition requires an Azure subscription to use. You can create a [free account here](https://account.azure.com/signup?offer=ms-azr-0044p&appId=102&ref=azureplat-generic&redirectURL=https%3a%2f%2fazure.microsoft.com%2fen-us%2fget-started%2fwelcome-to-azure%2f&l=en-us&correlationId=15FE63BE1C4960F42D1B6EFB18496296) and learn more about using [Azure Machine Learning with VS Code here](https://docs.microsoft.com/en-us/azure/machine-learning/service/how-to-vscode-tools#get-started-with-azure-machine-learning).
+
+2. The definition also uses an Anaconda base image which can take some time to download the first time given its size.
+
+3. If you are using Docker locally in your `runconfig`, you will need to set `sharedVolumes` to `false` since these will not work from inside a dev container.
 
 Once you have an Azure account, follow these steps: