tweaks
grafana:
- backup
docker run --rm --volumes-from grafana-storage -v $(pwd):/backup ubuntu tar xcvf /backup/grafana-backup.tar.gz /var/lib/grafana
grafana:
docker run --rm --volumes-from grafana-storage -v $(pwd):/backup ubuntu tar xcvf /backup/grafana-backup.tar.gz /var/lib/grafana