Update Jenkinsfile

Jenkinsfile

@@ -1,30 +1,33 @@
 node {
     def app
+    agent any
 
-    stage('Clone repository') {
-        /* Let's make sure we have the repository cloned to our workspace */
+    stages {
+        stage('Clone repository') {
+            /* Let's make sure we have the repository cloned to our workspace */
 
-        checkout scm
-    }
+            checkout scm
+        }
 
-    stage('Build 6.2.6 image') {
-        /* This builds the actual image; synonymous to
-         * docker build on the command line */
-        def dockerfile = "6.2/Dockerfile"
-        app = docker.build("harbor.dragse.it/base/redis", "-f ${dockerfile} ./6.2 ")
-    }
+        stage('Build 6.2.6 image') {
+            /* This builds the actual image; synonymous to
+             * docker build on the command line */
+            def dockerfile = "6.2/Dockerfile"
+            app = docker.build("harbor.dragse.it/base/redis", "-f ${dockerfile} ./6.2 ")
+        }
 
-    stage('Push image') {
-        /* Finally, we'll push the image with two tags:
-         * First, the incremental build number from Jenkins
-         * Second, the 'latest' tag.
-         * Pushing multiple tags is cheap, as all the layers are reused. */
-        docker.withRegistry('https://harbor.dragse.it', 'harbor-repo') {
-            app.push("${env.BUILD_NUMBER}")
-            app.push("6")
-            app.push("6.2")
-            app.push("6.2.6")
-            app.push("latest")
+        stage('Push image') {
+            /* Finally, we'll push the image with two tags:
+             * First, the incremental build number from Jenkins
+             * Second, the 'latest' tag.
+             * Pushing multiple tags is cheap, as all the layers are reused. */
+            docker.withRegistry('https://harbor.dragse.it', 'harbor-repo') {
+                app.push("${env.BUILD_NUMBER}")
+                app.push("6")
+                app.push("6.2")
+                app.push("6.2.6")
+                app.push("latest")
+            }
         }
     }
 }