Fix performance and bug (#867)

* Fix performance

* Update goval-dictionary

* Go mod tidy

commands/server.go

@@ -208,7 +208,26 @@ func (p *ServerCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}
 		}
 	}
 
-	http.Handle("/vuls", server.VulsHandler{})
+	dbclient, locked, err := report.NewDBClient(report.DBClientConf{
+		CveDictCnf:  c.Conf.CveDict,
+		OvalDictCnf: c.Conf.OvalDict,
+		GostCnf:     c.Conf.Gost,
+		ExploitCnf:  c.Conf.Exploit,
+		DebugSQL:    c.Conf.DebugSQL,
+	})
+	if locked {
+		util.Log.Errorf("SQLite3 is locked. Close other DB connections and try again: %+v", err)
+		return subcommands.ExitFailure
+	}
+
+	if err != nil {
+		util.Log.Errorf("Failed to init DB Clients. err: %+v", err)
+		return subcommands.ExitFailure
+	}
+
+	defer dbclient.CloseDB()
+
+	http.Handle("/vuls", server.VulsHandler{DBclient: *dbclient})
 	http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
 		fmt.Fprintf(w, "ok")
 	})