this does not work, it needs massive changes.

app/config/db.go

@@ -24,8 +24,9 @@ func DBX() *sqlx.DB {
 			MySqlSchema(),
 		))
 
-		dbx.SetMaxIdleConns(50)
-		dbx.SetMaxOpenConns(100)
+		dbx.SetMaxIdleConns(20)
+		dbx.SetMaxOpenConns(40)
+		dbx.SetConnMaxLifetime(0)
 	}
 
 	return dbx

app/config/repo.go

@@ -20,3 +20,7 @@ func DeviceRepository() models.DeviceRepository {
 func EventHandlerRepository() models.EventHandlerRepository {
 	return &mysql.EventHandlerRepo{DBX: DBX()}
 }
+
+func SceneRepository() models.SceneRepository {
+	return &mysql.SceneRepo{DBX: DBX()}
+}