implement and test sql db accessor

main.go

@@ -3,15 +3,20 @@ package main
 import (
 	"fmt"
 	"go-nkode/core/api"
+	"go-nkode/core/model"
 	"go-nkode/core/nkode"
 	"log"
 	"net/http"
 )
 
 func main() {
-	db := nkode.NewInMemoryDb()
-	nkodeApi := nkode.NewNKodeAPI(&db)
-	handler := api.NKodeHandler{Api: &nkodeApi}
+	//db := nkode.NewInMemoryDb()
+	db, err := nkode.NewSqliteDB("nkode.db")
+	if err != nil {
+		log.Fatal(err)
+	}
+	nkodeApi := nkode.NewNKodeAPI(db)
+	handler := m.NKodeHandler{Api: &nkodeApi}
 	mux := http.NewServeMux()
 	mux.Handle(api.CreateNewCustomer, &handler)
 	mux.Handle(api.GenerateSignupInterface, &handler)