Set `useFindAndModify` to false.

1 files changed, 5 insertions, 1 deletions

diff --git a/index.js b/index.js
index 177502b..b219657 100644
--- a/index.js
+++ b/index.js
@@ -4,7 +4,11 @@ const mongoose = require('mongoose');
 const webRoutes = require('./routes/web');
 
 const app = express();
-mongoose.connect('mongodb://localhost/playground_db', {useNewUrlParser: true, useUnifiedTopology: true});
+mongoose.connect('mongodb://localhost/playground_db', {
+  useNewUrlParser: true,
+  useUnifiedTopology: true,
+  useFindAndModify: false
+});
 
 app.engine('handlebars', exphbs());
 app.set('view engine', 'handlebars');