Make redis persist data to a volume

cmd/example/k8s/deploy-client.yml

@@ -21,4 +21,4 @@ spec:
             - name: ACKBAR_URL
               value: http://ackbar.ackbar
             - name: CONTEXT_ID
-              value: f3327714-8d22-44ae-b9c1-840544b398b4
+              value: 3c0d1a1d-2e58-4032-a7dd-cf93a3eef4d3

cmd/example/k8s/hpa-client.yml

@@ -20,7 +20,7 @@ spec:
           name: partition-to-worker-ratio
           selector:
             matchLabels:
-              context: f3327714-8d22-44ae-b9c1-840544b398b4
+              context: 3c0d1a1d-2e58-4032-a7dd-cf93a3eef4d3
         target:
           type: Value
           value: 1

k8s/cm-redis.yml

@@ -0,0 +1,5 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: ackbar-redis
+  namespace: ackbar

k8s/deploy-redis.yml

@@ -16,5 +16,20 @@ spec:
       containers:
         - name: redis
           image: redis:latest
+          args: ["/usr/local/etc/redis/redis.conf"]
           ports:
             - containerPort: 6379
+          volumeMounts:
+            - name: storage
+              mountPath: /data
+            - name: config
+              mountPath: /usr/local/etc/redis/redis.conf
+              readOnly: true
+      volumes:
+        - name: storage
+          persistentVolumeClaim:
+            claimName: ackbar-redis
+        - name: config
+          configMap:
+            defaultMode: 0666
+            name: ackbar-redis

k8s/pvc-redis.yml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: ackbar-redis
+  namespace: ackbar
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi