4.x doc: update old K8s deployment yaml (#4760)

docs/includes/guides/metrics.adoc

@@ -457,11 +457,14 @@ spec:
       name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: helidon-metrics
 spec:
   replicas: 1 // <3>
+  selector:
+    matchLabels:
+      app: helidon-metrics
   template:
     metadata:
       labels:
@@ -553,4 +556,4 @@ helm delete --purge metrics
 kubectl delete -f ./metrics.yaml
 ----
 
-// end::k8s-and-prometheus-integration[]
+// end::k8s-and-prometheus-integration[]

docs/mp/guides/config.adoc

@@ -539,11 +539,14 @@ spec:
       name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: helidon-config
 spec:
   replicas: 1 // <2>
+  selector:
+    matchLabels:
+      app: helidon-config
   template:
     metadata:
       labels:

docs/mp/guides/health.adoc

@@ -570,11 +570,14 @@ spec:
       name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: helidon-health // <2>
 spec:
   replicas: 1
+  selector:
+    matchLabels:
+      app: helidon-health
   template:
     metadata:
       labels:

docs/mp/guides/tracing.adoc

@@ -691,11 +691,14 @@ spec:
       name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: helidon-tracing
 spec:
   replicas: 1 // <2>
+  selector:
+    matchLabels:
+      app: helidon-tracing
   template:
     metadata:
       labels:

docs/mp/tracing.adoc

@@ -771,11 +771,14 @@ spec:
       name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: helidon-tracing
 spec:
   replicas: 1 # <2>
+  selector:
+    matchLabels:
+      app: helidon-tracing
   template:
     metadata:
       labels:

docs/se/guides/config.adoc

@@ -812,11 +812,14 @@ spec:
       name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: helidon-config
 spec:
   replicas: 1 // <2>
+  selector:
+    matchLabels:
+      app: helidon-config
   template:
     metadata:
       labels:

docs/se/guides/health.adoc

@@ -624,11 +624,14 @@ spec:
       name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: helidon-health // <2>
 spec:
   replicas: 1
+  selector:
+    matchLabels:
+      app: helidon-health
   template:
     metadata:
       labels:

docs/se/guides/tracing.adoc

@@ -683,11 +683,14 @@ spec:
       name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: helidon-tracing
 spec:
   replicas: 1 // <2>
+  selector:
+    matchLabels:
+      app: helidon-tracing
   template:
     metadata:
       labels:

docs/se/health.adoc

@@ -471,11 +471,14 @@ spec:
     name: http
 ---
 kind: Deployment
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 metadata:
   name: acme # <2>
 spec:
   replicas: 1
+  selector:
+    matchLabels:
+      app: acme
   template:
     metadata:
       name: acme