initial demo

docs/demo-script.md

@@ -0,0 +1,45 @@
+# Demo-Script (5 Minuten)
+
+## 1. Setup zeigen
+- Gitea UI offen
+- Argo CD UI offen
+- Kubernetes Namespace `demo-app`
+
+## 2. Vorher-Zustand zeigen
+```bash
+kubectl -n demo-app get deploy,pods,svc,cm
+kubectl -n demo-app get cm demo-app-html -o yaml
+```
+
+## 3. Git-Änderung machen
+In `charts/demo-app/values.yaml` ändern:
+```yaml
+replicaCount: 2
+image:
+  tag: "1.27"
+message: "v2 upgraded by gitops"
+```
+
+Dann:
+```bash
+git add charts/demo-app/values.yaml
+git commit -m "demo: upgrade app"
+git push
+```
+
+## 4. Argo CD zeigen
+- App geht kurz auf OutOfSync / Progressing
+- danach wieder Synced / Healthy
+
+## 5. Ergebnis zeigen
+```bash
+kubectl -n demo-app get deploy,pods,svc,cm
+kubectl -n demo-app rollout status deploy/demo-app
+kubectl -n demo-app get cm demo-app-html -o yaml
+```
+
+## 6. Optional Browser-Check
+```bash
+kubectl -n demo-app port-forward svc/demo-app 8081:80
+```
+Dann im Browser `http://localhost:8081`.