fix: open SQLite file in /tmp directory

store/store.go

@@ -65,7 +65,7 @@ func openDB(cfg DBConfig) (db *gorm.DB, err error) {
 			return nil, errors.New("failed to connect to database: " + err.Error())
 		}
 	case "sqlite3":
-		if db, err = gorm.Open(sqlite.Open(":memory:"), &gorm.Config{}); err != nil {
+		if db, err = gorm.Open(sqlite.Open("/tmp/db.sqlite3"), &gorm.Config{}); err != nil {
 			return nil, errors.New("failed to open database: " + err.Error())
 		}
 	default: