feat(app): add hello world kubernetes manifests

Signed-off-by: iverly <[email protected]>

apps/hello-world/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: hello-world-app
+
+resources:
+  - manifests/deployment.yaml
+  - manifests/service.yaml

apps/hello-world/manifests/deployment.yaml

@@ -0,0 +1,28 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello-world
+  labels:
+    app.kubernetes.io/name: hello-world
+spec:
+  replicas: 1
+  revisionHistoryLimit: 5
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: hello-world
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: hello-world
+    spec:
+      automountServiceAccountToken: false
+      containers:
+        - name: hello-world
+          image: ghcr.io/do4-2022/openstack-k0s-apko/hello-world:ee5ffa6
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 8080
+              protocol: TCP
+          resources: {}

apps/hello-world/manifests/service.yaml

@@ -0,0 +1,16 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello-world
+  labels:
+    app.kubernetes.io/name: hello-world
+spec:
+  selector:
+    app.kubernetes.io/name: hello-world
+  type: ClusterIP
+  ports:
+    - port: 8080
+      targetPort: http
+      protocol: TCP
+      name: http