URL FOR INSERTION: 172.17.12.140:8080/Details/Users
URL FOR RETRIEVAL: 172.17.12.140:8080/Details/Users
URL FOR UPDATING: 172.17.12.140:8080/Details/Users/{id}
URL FOR DELETION: 172.17.12.140:8080/Details/Users/{id}
Fields:
private long id;
private String firstName;
private String lastName;
private String email;