(Узел: 2496) TemprecationWarning: Collection.EnsureIndex устарел. Вместо этого используйте CreateIndexes.
/*As of this edit, Mongoose is now at v5.4.13. Per their docs, these are the fixes for the deprecation warnings..*/
mongoose.set('useNewUrlParser', true);
mongoose.set('useFindAndModify', false);
mongoose.set('useCreateIndex', true);
Sparkling Shrike