스토리지 변경 권한

storage.rules

service firebase.storage {
  match /b/{bucket}/o {
    match /{yyyyMMdd}/{roomId}/{userUid}/{file} {
      allow read: if request.auth!=null;
      allow write: if request.auth!=null
                    && request.auth.uid == userUid
                    && (request.resource.contentType.matches('image/.*') || file.matches(".*.zip"))
                    && request.resource.size < 5 * 1024 * 1024;

    }
  }
}