flux,zookeeper: add image update automation

cluster/apps/presidential-paradise/zookeeper/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: zookeeper
-        image: docker.io/0x76/zookeeper:latest
+        image: registry.xirion.net/library/zookeeper:0.2.0  # {"$imagepolicy": "presidential-paradise:zookeeper"}
         ports:
           - name: web
             containerPort: 8085

cluster/apps/presidential-paradise/zookeeper/image-updater.yaml

@@ -0,0 +1,22 @@
+apiVersion: image.toolkit.fluxcd.io/v1beta1
+kind: ImageRepository
+metadata:
+  name: zookeeper
+  namespace: presidential-paradise
+spec:
+  image: registry.xirion.net/library/zookeeper
+  interval: 1m0s
+  secretRef:
+    name: xirion-registry-creds
+---
+apiVersion: image.toolkit.fluxcd.io/v1beta1
+kind: ImagePolicy
+metadata:
+  name: zookeeper
+  namespace: presidential-paradise
+spec:
+  imageRepositoryRef:
+    name: zookeeper
+  policy:
+    semver:
+      range: "*"

cluster/apps/presidential-paradise/zookeeper/kustomization.yaml

@@ -2,6 +2,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - external-secret.yaml
+  - image-updater.yaml
   - deployment.yaml
   - svc.yaml
   - ingress.yaml