rules firebase

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    
    function isAuthorised() {
      return request.auth != null;
    }

    function isAuthorisedWithId(id) {
       
      return isAuthorised() && request.auth.uid == id 
    }

    match /{document=**} {
      allow read, write: if false;
    }
    
    match /users/{userId} {
    	allow read: if isAuthorised() && exists(/databases/$(database)/documents/users/$(request.auth.uid));
    }
    
    match /users/{id} {
    	allow read, write: if isAuthorisedWithId(id) && exists(/databases/$(database)/documents/users/$(request.auth.uid));
    }

  }
}

Nowit should be public