use grafana default message for ntfy alerts

hosts/AZ-PRM-1/services/monitoring/alerting.nix

@@ -245,32 +245,10 @@ in {
               settings = {
                 url = "$GRAFANA_NTFY_WEBHOOK_URL";
                 httpMethod = "POST";
-                title = ''
+                # Let Grafana render its default title/message. The default message
-                  {{ if eq .Status "resolved" }}RESOLVED{{ else }}FIRING{{ end }}: {{ index .CommonLabels "alertname" }}{{ with index .CommonLabels "target" }} {{ . }}{{ else }}{{ with index .CommonLabels "flow_id" }} {{ . }}{{ else }}{{ with index .CommonLabels "instance" }} {{ . }}{{ end }}{{ end }}{{ end }}
+                # includes all alert annotations via .Annotations.SortedPairs;
-                '';
+                # ntfy's grafana template then displays only title/message instead
-                message = ''
+                # of the full webhook JSON body.
-                  {{ range .Alerts -}}
-                  {{ $labels := .Labels -}}
-                  {{ if eq .Status "resolved" }}✅ Resolved{{ else }}🚨 Firing{{ end }}: {{ index $labels "alertname" }}
-                  {{ with index $labels "target" }}Target: {{ . }}
-                  {{ end -}}
-                  {{ with index $labels "flow_id" }}Flow: {{ with index $labels "namespace_id" }}{{ . }}/{{ end }}{{ . }}
-                  {{ end -}}
-                  {{ with index $labels "instance" }}Instance: {{ . }}
-                  {{ end -}}
-                  {{ with index $labels "severity" }}Severity: {{ . }}
-                  {{ end -}}
-                  {{ with .Annotations.SortedPairs }}Annotations:
-                  {{ range . }}- {{ .Name }}: {{ .Value }}
-                  {{ end -}}
-                  {{ else }}{{ with $.CommonAnnotations.SortedPairs }}Annotations:
-                  {{ range . }}- {{ .Name }}: {{ .Value }}
-                  {{ end -}}
-                  {{ end }}{{ end -}}
-                  {{ with .GeneratorURL }}Source: {{ . }}
-                  {{ end }}
-                  {{ end -}}
-                '';
                 headers = {
                   Template = "grafana";
                   Markdown = "yes";