monitoring/grafana/build/Makefile: fully qualify source image

Some build machines may not have a default docker repo configured.
Specify docker.io.

Signed-off-by: Dan Mick <dmick@redhat.com>

diff --git a/monitoring/grafana/build/Makefile b/monitoring/grafana/build/Makefile
index fd96a827ff4e81d0f09aeced502c7ef61115628a..6c5ae1364d97f617f11566a04479bb3b679c3ec6 100755 (executable)
--- a/monitoring/grafana/build/Makefile
+++ b/monitoring/grafana/build/Makefile
@@ -4,7 +4,7 @@ PIECHART_VERSION := "1.4.0"
 STATUS_PANEL_VERSION := "1.0.9"
 DASHBOARD_DIR := "monitoring/grafana/dashboards"
 DASHBOARD_PROVISIONING := "ceph-dashboard.yml"
-IMAGE := "centos:8"
+IMAGE := "docker.io/centos:8"
 VERSION := "${IMAGE: -1}"
 PKGMGR := "dnf"
 # CONTAINER := $(shell buildah from ${IMAGE})