package main import ( "github.com/go-oauth2/mongo" "gopkg.in/oauth2.v3/manage" ) func main() { manager := manage.NewDefaultManager() // use mongodb token store mcfg := mongo.NewConfig("mongodb://admin:123456@192.168.33.70:27017", "oauth2") manager.MustTokenStorage(mongo.NewTokenStore(mcfg)) // ... }