Firebase Cloud Functions Firestore Trigger produces: Error: 7 PERMISSION_DENIED: Missing or insufficient permissions

Question

I\'m trying to use a Firebase Cloud Function to update a document within my Firestore database, when one of my documents has been updated using a trigger. The trigger is cal

Answer 1

My solution was setting up the serviceAccount, check the following code snippet:

var admin = require("firebase-admin");

var serviceAccount = require("path/to/serviceAccountKey.json");

admin.initializeApp({
  credential: admin.credential.cert(serviceAccount),
  databaseURL: "https://your-database-url.firebaseio.com"
});

You can generate the serviceAccountKey on: Firebase dashboard -> Project Settings -> Service Accounts tab

Hope it helps!