refactor: new (simpler) version of the sl library

cmd/server/main.go

@@ -6,22 +6,18 @@ import (
 	"phc/website/services/config"
 	"phc/website/services/database"
 	"phc/website/services/server"
-	"phc/website/services/server/dev"
-	lista_utenti "phc/website/services/server/lista-utenti"
 	"phc/website/sl"
 )
 
 func main() {
 	l := sl.New()
 
-	// sl.Inject[config.Interface](l, &config.EnvConfig{})
-
-	config := sl.InjectValue[config.Interface](l, &config.Custom{
-		ModeValue: "production",
-		HostValue: ":4000",
+	cfg := sl.InjectValue(l, config.Slot, &config.Config{
+		Mode: "production",
+		Host: ":4000",
 	})
 
-	sl.InjectValue[database.Database](l, &database.Memory{
+	sl.InjectValue[database.Database](l, database.Slot, &database.Memory{
 		Users: []model.User{
 			{
 				Id:          "claire",
@@ -38,14 +34,10 @@ func main() {
 		},
 	})
 
-	sl.Inject(l, &dev.Dev{})
-	sl.Inject(l, &lista_utenti.ListaUtenti{})
-	sl.Inject(l, &server.Server{})
-
-	server, err := sl.Use[*server.Server](l)
+	srv, err := server.Configure(l)
 	if err != nil {
 		log.Fatal(err)
 	}
 
-	log.Fatal(server.Router.Listen(config.Host()))
+	log.Fatal(srv.Router.Listen(cfg.Host))
 }