feat: add deployment-metadata configmap to trigger pod restarts on git changes

k8s/deployment-nodejs.yaml

@@ -18,10 +18,6 @@ spec:
     metadata:
       labels:
         app: storefront
-      annotations:
-        # Flux will substitute this with the actual git revision
-        # Changing this annotation forces pod restart on git updates
-        gitRevision: ${GIT_REVISION:-unknown}
     spec:
       initContainers:
       - name: clone
@@ -120,6 +116,10 @@ spec:
         - start
         ports:
         - containerPort: 3000
+        envFrom:
+        - configMapRef:
+            name: deployment-metadata
+            optional: true
         env:
         - name: NODE_ENV
           value: "production"

k8s/kustomization.yaml

@@ -1,6 +1,16 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- deployment-nodejs.yaml
+  - deployment-nodejs.yaml
-- service.yaml
+  - service.yaml
-- ingress.yaml
+  - ingress.yaml
+
+# Generate a ConfigMap with git revision info
+# This ConfigMap changes on each Flux reconciliation, triggering pod restarts
+configMapGenerator:
+  - name: deployment-metadata
+    literals:
+      - GIT_REVISION=${GIT_REVISION}
+      - DEPLOY_TIME=${DEPLOY_TIME}
+    options:
+      disableNameSuffixHash: false  # Changing hash forces pod restart