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

k8s/kustomization.yaml

@@ -1,6 +1,16 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- deployment-nodejs.yaml
-- service.yaml
-- ingress.yaml
+  - deployment-nodejs.yaml
+  - service.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