Configure a CAS server and CAS management webapp with Docker

The task of setting up a CAS server on Docker is not very smooth. The official documentation is not very explicit about it.

We decided to write a post on this subject in order to help others to quickly configure a CAS server with a complete tutorial.

Warning : here we speak about deploying a TESTING CAS server, this configuration is not for production, especially to authorize any application !

First I would like to mention the very good articles on this site that were a very good basis :

We were previously using the demo CAS server avaible here : but for some time now, it is not possible anymore to use it with any application. It refuses unauthorized applications. That is why we needed to have our own CAS server.

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