https://devstory.net/11267/tutoriel-spring-boot-pour-debutant
https://bnguimgo.developpez.com/tutoriels/spring/services-rest-avec-springboot-et-spring-resttemplate/?page=premiere-partie-le-serveur
https://www.youtube.com/playlist?list=PLtyD11a_24egpX6V-BXtVnBmrbR60I1P6