feat(helm): add Redis Deployment and ClusterIP Service

Ephemeral cache with no PVC. Includes redis-cli ping probes for
liveness and readiness.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

infrastructure/helm/templates/redis-deployment.yaml

@@ -0,0 +1,42 @@
+{{- if .Values.redis.enabled }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "tod.fullname" . }}-redis
+  labels:
+    {{- include "tod.componentLabels" (dict "context" . "component" "redis") | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "tod.componentSelectorLabels" (dict "context" . "component" "redis") | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "tod.componentSelectorLabels" (dict "context" . "component" "redis") | nindent 8 }}
+    spec:
+      containers:
+        - name: redis
+          image: "{{ .Values.redis.image.repository }}:{{ .Values.redis.image.tag }}"
+          imagePullPolicy: {{ .Values.redis.image.pullPolicy }}
+          ports:
+            - name: redis
+              containerPort: 6379
+              protocol: TCP
+          livenessProbe:
+            exec:
+              command:
+                - redis-cli
+                - ping
+            initialDelaySeconds: 10
+            periodSeconds: 5
+          readinessProbe:
+            exec:
+              command:
+                - redis-cli
+                - ping
+            initialDelaySeconds: 5
+            periodSeconds: 3
+          resources:
+            {{- toYaml .Values.redis.resources | nindent 12 }}
+{{- end }}

infrastructure/helm/templates/redis-service.yaml

@@ -0,0 +1,17 @@
+{{- if .Values.redis.enabled }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "tod.fullname" . }}-redis
+  labels:
+    {{- include "tod.componentLabels" (dict "context" . "component" "redis") | nindent 4 }}
+spec:
+  type: ClusterIP
+  ports:
+    - name: redis
+      port: {{ .Values.redis.service.port }}
+      targetPort: redis
+      protocol: TCP
+  selector:
+    {{- include "tod.componentSelectorLabels" (dict "context" . "component" "redis") | nindent 4 }}
+{{- end }}