Update Jenkinsfile

Jenkinsfile

+#!/usr/bin/env groovy
+
+pipeline {
+    agent any
+    stages {
+        stage('build app') {
+            steps {
+               script {
+                   echo "building the application..."
+               }
+            }
+        }
+        stage('build image') {
+            steps {
+                script {
+                    echo "building the docker image..."
+                }
+            }
+        }
+        stage('deploy') {
+            steps {
+                script {
+                   echo 'deploying docker image...'
+                   withKubeConfig([credentialsId: 'lke-credentials', serverUrl: 'https://79fa9228-1d11-47ec-870b-33106d53122b.eu-central-2.linodelke.net']) {
+                       sh 'kubectl create deployment nginx-deployment --image=nginx'
+                   }
+                }
+            }
+        }
+    }
+}
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