Fix resources isues 2

infrastructure/platform/networking/dns/unbound-helm/prod/values.yaml

@@ -55,12 +55,13 @@ podAnnotations:
 #         topologyKey: "kubernetes.io/hostname"
 
 # Production probe settings (more conservative)
+# NOTE: mvance/unbound image does NOT have 'nc' (netcat), use 'drill' instead
 probes:
   readiness:
     initialDelaySeconds: 10
     periodSeconds: 30
-    command: "sh -c 'echo \"\" | nc -w 3 127.0.0.1 53 || exit 1'"
+    command: "drill @127.0.0.1 localhost || exit 1"
   liveness:
     initialDelaySeconds: 30
     periodSeconds: 60
-    command: "sh -c 'echo \"\" | nc -w 3 127.0.0.1 53 || exit 1'"
+    command: "drill @127.0.0.1 localhost || exit 1"