Access Control List Use an ACL for fine-grained user authorization

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Sample Firestore security rules for an Access Control List (ACL), where the content determines which users have authorization.

file_type_firebase rules.json 
match /posts/{document} {

    allow read;
    allow write: if resource.data.members.hasAny(request.auth.uid);

}

example of an Access Control List in Firestore

example of an Access Control List in Firestore

👈 Role-Based Authorization
Hierarchy 👉

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