The Institute of Communication and Computer Systems, on May 14th of 2019 organized a meeting regarding the DITAS Project. During the meeting, was presented an overview of the project and was examined a use case concerning the VDC. After the presentation followed a hands-on tutorial on how to build fast a cloud service and expose its API, using Spring and Spring Boot. This seminar took place at the computer labs of the National Technological University of Athens (NTUA) in Athens and about 100 undergraduate and postgraduate students attended. You can find the presentation slides here: Spring DITAS Presentation