indent update; initcontainer for root hints

deployments/dns/bind.yaml

@@ -100,6 +100,17 @@ spec:
     spec:
       securityContext:
         fsGroup: 999
+      initContainers:
+        - name: fetch-root-hints
+          image: curlimages/curl:latest
+          command:
+            - sh
+            - -c
+            - >
+              curl -o /hints/root.hints https://www.internic.net/domain/named.cache
+          volumeMounts:
+          - mountPath: /hints
+            name: root-hints
       containers:
         - name: bind-master
           image: internetsystemsconsortium/bind9:9.18
@@ -123,6 +134,8 @@ spec:
             mountPath: /var/cache/bind
           - name: bind-rundir
             mountPath: /run/named
+          - name: root-hints
+            mountPath: /usr/share/dns
       volumes:
         - name: dns-secrets
           secret:
@@ -134,6 +147,8 @@ spec:
           emptyDir: {}
         - name: bind-rundir
           emptyDir: {}
+        - name: root-hints
+          emptyDir: {}
 ---
 apiVersion: apps/v1
 kind: DaemonSet