NOTE: You still need a mysql or postgresql database to hold the fetched rss items. The PVC here is just to store tinyrss's config (db credentials, url, etc).
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: tinyrss
labels:
app: tinyrss
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
---