[Docker] Adding Docker build

This adds a docker machine that avoids additional issues

README.md

@@ -33,6 +33,8 @@ This is an introductory lecture to the modern way of programming C++; at the end
 
 ## How to run it?
 
+### Local installation
+
 As this tutorial relies heavily on [Xeus-cling kernel](https://github.com/QuantStack/xeus-cling), the only requirement is to install this environment on your machine.
 
 Unfortunately, the support of this kernel is still experimental on Windows; I advise you to use any variant of Linux or macOS (for Windows 10 users you may [install Ubuntu in your Windows session](https://tutorials.ubuntu.com/tutorial/tutorial-ubuntu-on-windows); I haven't tried this myself).
@@ -43,7 +45,7 @@ Should the procedure described below not work at some point I invite you to chec
 * Create a new conda environment and activate it:
 
 ```
-conda env create -f environment.yml 
+conda env create -f environment.yml
 conda activate formation_cpp
 ```
 
@@ -62,3 +64,13 @@ __BEWARE__: I **strongly advise** to use a dedicated environment for the noteboo
 
 
 __NOTE__: It is possible to use the notebooks directly from some IDEs like [VSCode](https://gitlab.inria.fr/formations/cpp/gettingstartedwithmoderncpp/-/wikis/home#using-notebooks-with-vscode).
+
+### Docker machine
+
+It is possible to execute the notebooks from a Docker machine by simply:
+
+```
+docker run -p 8888:8888 registry.gitlab.inria.fr/formations/cpp/gettingstartedwithmoderncpp:latest
+```
+
+The simply in your browser just simply go to [http://localhost:8888/](http://localhost:8888/).