- Add web-app Helm chart in charts/web-app/ - Replace individual deployment/service/ingress YAML with helm-values - Update ArgoCD applications to use Helm chart with values files - Reduces per-app files from 6 to 2 (argocd.yaml + helm-values.yaml) Apps migrated: jaejadle, jaejadle-dev, joossam, joossam-dev, jotion, jovies, portfolio, todo