Run ddns as a CronJob instead of a StatefulSet

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

applications/azure-ddns-python/azure-ddns/cronjob.yaml

@@ -0,0 +1,30 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: azure-ddns
+  namespace: azure-ddns
+spec:
+  schedule: "*/30 * * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 3
+  failedJobsHistoryLimit: 3
+  startingDeadlineSeconds: 300
+  jobTemplate:
+    spec:
+      backoffLimit: 3
+      template:
+        spec:
+          restartPolicy: OnFailure
+          containers:
+            - name: azure-ddns
+              image: gitea.jsme.be/jeffrey/azure-ddns-python:1.2
+              resources:
+                requests:
+                  cpu: 50m
+                  memory: 128Mi
+                limits:
+                  cpu: 200m
+                  memory: 256Mi
+              envFrom:
+                - secretRef:
+                    name: azure-ddns-app-secrets

applications/azure-ddns-python/azure-ddns/service.yaml

@@ -1,14 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: azure-ddns
-  namespace: azure-ddns
-spec:
-  selector:
-    app: azure-ddns
-  ports:
-    - name: azure-ddns
-      port: 443
-      targetPort: 443
-      protocol: TCP
-  type: ClusterIP 

applications/azure-ddns-python/azure-ddns/statefulset.yaml

@@ -1,31 +0,0 @@
-apiVersion: apps/v1
-kind: StatefulSet
-metadata:
-  name: azure-ddns
-  namespace: azure-ddns
-spec:
-  replicas: 1
-  selector:
-    matchLabels:
-      app: azure-ddns
-  serviceName: azure-ddns
-  template:
-    metadata:
-      labels:
-        app: azure-ddns
-    spec:
-      terminationGracePeriodSeconds: 60
-      containers:
-        - name: azure-ddns
-          image: gitea.jsme.be/jeffrey/azure-ddns-python:1.1
-          resources:
-            requests:
-              cpu: 50m
-              memory: 128Mi
-            limits:
-              cpu: 200m
-              memory: 256Mi
-          envFrom:
-            - secretRef:
-                name: azure-ddns-app-secrets
-      restartPolicy: Always