optimize sql by removing unused field, add indexes

main.go

@@ -73,6 +73,7 @@ func main() {
 	// Middleware
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
+	e.Use(middleware.GzipWithConfig(middleware.GzipConfig{Level: 5}))
 
 	// Use custom CORS middleware that properly handles credentials
 	e.Use(internal.CustomCORSMiddleware())