Make MongoClient prefer secondaries

2022-10-11 02:23:54 +03:00
parent 7797eb9210
commit cfcd17d45e
1 changed files with 4 additions and 2 deletions
--- a/backend/server.js
+++ b/backend/server.js
@@ -15,8 +15,10 @@ const pipeline = [];
 const PORT = process.env.PORT || 3002;

 // Create Mongo client
-const mongoClient = new MongoClient(mongoUri);
-
+const mongoOptions = {
+  readPreference: 'secondaryPreferred'
+}
+const mongoClient = new MongoClient(mongoUri, mongoOptions);

 /*============== CODE ==============*/
 async function run() {