firestore.rules

rules_version = '2';

//service cloud.firestore {
 // match /databases/{database}/documents {
 //   match /{document=**} {
 //     allow read, write;
 //   }
 // }
//}

service cloud.firestore {
  match /databases/{database}/documents {
    match /{document=**} {
      allow read;
      allow write:if request.auth.uid !=null;
    }
  }
}