Java + Spring
GMS is a web service that keeps track of incoming and outgoing vehicles
into and from a car garage, a multi-story one, presumably. The rest
is some boring stuff like recording the logs, recording the cars,
recording the people, all of which probably requires some privacy
policy to stay out of future troubles. While doing these, it gets
help from Spring Framework's Spring Boot, Spring Data JPA and Spring
WS. By the way, it needs a relational database, as you can guess,
and that bit is currently a PostgreSQL database running on a Docker
container.