Health check for deployments should not require listBuckets() access

General Discussions
1

Small one, deployments/app/app.go:HealthCheck calls fileStorage.listBuckets() to establish health of the pod in k8s. Ideally it should only need permission to write to the bucket it’s using, and not access to list all buckets. I hope this is the appropriate forum to log such trivial issues. Hope this helps. a.g.