chore: migrate deploy manifest to knative

deploy/20-deployment.yaml

@@ -1,5 +1,5 @@
-apiVersion: apps/v1
-kind: Deployment
+apiVersion: serving.knative.dev/v1
+kind: Service
 metadata:
   name: blog-openapi-agent
   namespace: agents
@@ -7,17 +7,18 @@ metadata:
     app: blog-openapi-agent
     a2a/managed-by: control-plane
 spec:
-  replicas: 1
-  strategy:
-    type: Recreate
-  selector:
-    matchLabels:
-      app: blog-openapi-agent
   template:
     metadata:
       labels:
         app: blog-openapi-agent
+      annotations:
+        autoscaling.knative.dev/minScale: "0"
+        autoscaling.knative.dev/maxScale: "20"
+        autoscaling.knative.dev/metric: concurrency
+        autoscaling.knative.dev/target: "1"
     spec:
+      containerConcurrency: 1
+      timeoutSeconds: 600
       containers:
         - name: agent
           image: registry.a2acloud.io/agents/blog-openapi-agent:fdb7b08b10fc763cee0d020e051f32e13cb6b33d
@@ -46,7 +47,7 @@ spec:
                 optional: true
           ports:
             - containerPort: 8000
-              name: http
+              name: http1
           readinessProbe:
             httpGet: {path: /healthz, port: 8000}
             initialDelaySeconds: 2
@@ -63,19 +64,19 @@ spec:
             requests: {cpu: "200m", memory: "512Mi"}
             limits: {cpu: "200m", memory: "512Mi"}
 ---
-apiVersion: v1
-kind: Service
+apiVersion: serving.knative.dev/v1beta1
+kind: DomainMapping
 metadata:
-  name: blog-openapi-agent
+  name: blog-openapi-agent.a2acloud.io
   namespace: agents
-spec:
-  type: ClusterIP
-  selector:
+  labels:
     app: blog-openapi-agent
-  ports:
-    - name: http
-      port: 80
-      targetPort: 8000
+    a2a/managed-by: control-plane
+spec:
+  ref:
+    apiVersion: serving.knative.dev/v1
+    kind: Service
+    name: blog-openapi-agent
 ---
 apiVersion: networking.k8s.io/v1
 kind: Ingress