Add Grafana image tag to avoid pulling all versions (#471)
Add Grafana image tag to avoid pulling all versions (#471)


ucbrise/clipper,ucbrise/clipper,dcrankshaw/clipper,dcrankshaw/clipper,dcrankshaw/clipper,dcrankshaw/clipper,ucbrise/clipper,ucbrise/clipper,ucbrise/clipper,dcrankshaw/clipper,ucbrise/clipper