monitoring: keep postmark exporter off titan-22

services/monitoring/postmark-exporter-deployment.yaml

@@ -29,6 +29,15 @@ spec:
           {{- end -}}
         bstein.dev/restarted-at: "2026-01-06T00:00:00Z"
     spec:
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+              - matchExpressions:
+                  - key: kubernetes.io/hostname
+                    operator: NotIn
+                    values:
+                      - titan-22
       serviceAccountName: monitoring-vault-sync
       containers:
         - name: exporter