Deploy Java apps in K8s.

Author: mmahmoodictbd

kubernetes-basics/README.asciidoc

@@ -9,8 +9,24 @@ Manage docker container at scale.
 - Install https://github.com/derailed/k9s[k9s], UI to your cluster.
 
 
+#### Set context
+```
+$ export KUBECONFIG=kubernetes-setup/kubeconf:$HOME/.kube/config
+$ kubectx kubernetes-admin@kubernetes
+```
+
+
 #### Access K8s cluster
 ```
 $ k9s
 ```
-image::../docs/images/k9s-screenshot.png[k9s screenshot]
+image::../docs/images/k9s-screenshot.png[k9s screenshot]
+
+
+#### Deploy apps in K8s
+```
+$ kubectl apply -f javaapp-all-in-one.yml
+```
+```
+$ kubectl delete -f javaapp-all-in-one.yml
+```

kubernetes-basics/javaapp-all-in-one.yml

@@ -0,0 +1,37 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: covid-19-bangladesh-service
+spec:
+  type: NodePort
+  selector:
+    app: covid-19-bangladesh
+  ports:
+    - port: 8080
+      targetPort: 8080
+
+---
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: covid-19-bangladesh-deployment
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: covid-19-bangladesh
+  template:
+    metadata:
+      labels:
+        app: covid-19-bangladesh
+    spec:
+      containers:
+        - name: covid-19-bangladesh
+          image: mmahmood/covid-19-bangladesh:latest
+          ports:
+            - containerPort: 8080
+---
+
+
+