Merge pull request #11680 from overleaf/em-mongo-pool-monitoring

Mongo connection pool monitoring

GitOrigin-RevId: 050e50e7e67061ccbf39a710ca4532eafd423365

services/chat/app/js/mongodb.js

@@ -1,3 +1,4 @@
+import Metrics from '@overleaf/metrics'
 import Settings from '@overleaf/settings'
 import { MongoClient } from 'mongodb'
 
@@ -10,3 +11,5 @@ export const db = {
   messages: mongoDb.collection('messages'),
   rooms: mongoDb.collection('rooms'),
 }
+
+Metrics.mongodb.monitor(mongoClient)