fix: close db on shutdown

db/db.go

@@ -63,3 +63,9 @@ func Init() {
 func Get() *gorm.DB {
 	return db
 }
+func Close() error {
+
+	instance, _ := db.DB()
+
+	return instance.Close()
+}

main.go

@@ -103,4 +103,10 @@ func main() {
 	if err != nil {
 		logger.Get().Error("Failed starting webserver proof", zap.Error(err))
 	}
+
+	err = db.Close()
+
+	if err != nil {
+		logger.Get().Error("Failed to close db connection", zap.Error(err))
+	}
 }