implement Scylla database

api/user.go

@@ -89,8 +89,8 @@ func ListUsers(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func newUserID() string {
-	return "user_" + uuid.New().String()
+func newUserID() uuid.UUID {
+	return uuid.New()
 }
 
 func NewUser(w http.ResponseWriter, r *http.Request) {
@@ -130,9 +130,9 @@ func NewUser(w http.ResponseWriter, r *http.Request) {
 type userKey struct{}
 
 type User struct {
-	ID       string `json:"id"`
-	Name     string `json:"name"`
-	Password string `json:"-"`
+	ID       uuid.UUID `json:"id"`
+	Name     string    `json:"name"`
+	Password string    `json:"-"`
 }
 
 type UserPayload struct {