migrate gitops-demo to generic chart

gitops-demo/dev/deployment.yaml

@@ -1,23 +0,0 @@
-# Plain Deployment — note there is NO `namespace:` here. ArgoCD places it in the
-# namespace named by the Application's destination (dev). Leaving it out keeps
-# these manifests reusable for prod later (a prod Application would drop the
-# same files into the prd namespace).
-apiVersion: apps/v1
-kind: Deployment
-metadata:
-  name: gitops-demo
-spec:
-  replicas: 3
-  selector:
-    matchLabels:
-      app: gitops-demo
-  template:
-    metadata:
-      labels:
-        app: gitops-demo
-    spec:
-      containers:
-        - name: whoami
-          image: traefik/whoami:latest
-          ports:
-            - containerPort: 80

gitops-demo/dev/ingress.yaml

@@ -1,27 +0,0 @@
-# Same Ingress shape as Phases 1-2, now delivered via GitOps. When ArgoCD syncs
-# this, the full platform reacts: cert-manager issues the cert, external-dns
-# creates the A record, Traefik routes it. A brand-new host proves the whole
-# chain end-to-end from a single git commit.
-apiVersion: networking.k8s.io/v1
-kind: Ingress
-metadata:
-  name: gitops-demo
-  annotations:
-    cert-manager.io/cluster-issuer: letsencrypt-prod
-spec:
-  ingressClassName: traefik
-  tls:
-    - hosts:
-        - gitops-demo.dev.lgkentang.com
-      secretName: gitops-demo-tls
-  rules:
-    - host: gitops-demo.dev.lgkentang.com
-      http:
-        paths:
-          - path: /
-            pathType: Prefix
-            backend:
-              service:
-                name: gitops-demo
-                port:
-                  number: 80

gitops-demo/dev/service.yaml

@@ -1,10 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: gitops-demo
-spec:
-  selector:
-    app: gitops-demo
-  ports:
-    - port: 80
-      targetPort: 80

gitops-demo/dev/values.yaml

@@ -0,0 +1,15 @@
+# gitops-demo, dev environment — the ENTIRE per-service config now.
+# This replaces the old gitops-demo/dev/{deployment,service,ingress}.yaml:
+# three hand-written manifests collapse into these few lines. The shared
+# charts/app chart turns this into the same Deployment + Service + Ingress.
+name: gitops-demo
+
+image:
+  repository: traefik/whoami
+  tag: latest
+
+replicas: 1
+
+ingress:
+  host: gitops-demo.dev.lgkentang.com
+  clusterIssuer: letsencrypt-prod