Hello World Kubernetes By Ballerina

.gitignore

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+*.balx
+*.log

hello_kubernetes.bal

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+import ballerina/http;
+import ballerina/log;
+import ballerinax/kubernetes;
+
+
+@kubernetes:Service {
+    serviceType: "NodePort",
+    name: "ballerina-demo"
+
+}
+endpoint http:Listener helloListener {
+    port:8888
+};
+
+@kubernetes:Deployment {
+    enableLiveness: true,
+    image: "abdennour/ballerina-demo",
+    name: "ballerina-demo"
+}
+@http:ServiceConfig {
+    basePath: "/"
+}
+service<http:Service> hello bind helloListener {
+    sayHello (endpoint caller, http:Request request) {
+        http:Response response = new;
+        response.setPayload("Hello Kubernetes from elegance.abdennoor.com!");
+         _ = caller -> respond(response);
+    }
+}

kubernetes/docker/Dockerfile

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+# Auto Generated Dockerfile
+
+FROM ballerina/ballerina:0.975.1
+LABEL maintainer="dev@ballerina.io"
+
+COPY hello_kubernetes.balx /home/ballerina 
+
+EXPOSE  8888
+
+CMD ballerina run hello_kubernetes.balx

kubernetes/hello_kubernetes_deployment.yaml

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+---
+apiVersion: "extensions/v1beta1"
+kind: "Deployment"
+metadata:
+  annotations: {}
+  finalizers: []
+  labels:
+    app: "hello_kubernetes"
+  name: "ballerina-demo"
+  ownerReferences: []
+spec:
+  replicas: 1
+  template:
+    metadata:
+      annotations: {}
+      finalizers: []
+      labels:
+        app: "hello_kubernetes"
+      ownerReferences: []
+    spec:
+      containers:
+      - args: []
+        command: []
+        env: []
+        envFrom: []
+        image: "abdennour/ballerina-demo"
+        imagePullPolicy: "IfNotPresent"
+        livenessProbe:
+          initialDelaySeconds: 10
+          periodSeconds: 5
+          tcpSocket:
+            port: 8888
+        name: "ballerina-demo"
+        ports:
+        - containerPort: 8888
+          protocol: "TCP"
+        volumeMounts: []
+      hostAliases: []
+      imagePullSecrets: []
+      initContainers: []
+      nodeSelector: {}
+      tolerations: []
+      volumes: []

kubernetes/hello_kubernetes_svc.yaml

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+---
+apiVersion: "v1"
+kind: "Service"
+metadata:
+  annotations: {}
+  finalizers: []
+  labels:
+    app: "hello_kubernetes"
+  name: "ballerina-demo"
+  ownerReferences: []
+spec:
+  externalIPs: []
+  loadBalancerSourceRanges: []
+  ports:
+  - port: 8888
+    protocol: "TCP"
+    targetPort: 8888
+  selector:
+    app: "hello_kubernetes"
+  type: "NodePort"