First cut at docker builds with kaniko

Jenkinsfile

@@ -6,6 +6,14 @@ podTemplate(label: label, containers: [
     image: 'maven:3.8.4-openjdk-11',
     command: 'sleep',
     args: '30d'
+  ),
+  containerTemplate(
+    name: 'kaniko',
+    image: 'gcr.io/kaniko-project/executor:latest',
+    command:
+      - sleep
+    args:
+      - 99d
   )
 ]) {
   node(label) {
@@ -21,6 +29,9 @@ podTemplate(label: label, containers: [
           archiveArtifacts artifacts: 'target/*.jar', followSymlinks: false
         }
       }
+      container('kaniko') {
+        sh '/kaniko/executor -f `pwd`/Dockerfile -c `pwd` --insecure --skip-tls-verify --cache-true --destination=docker.thejimnicholson.com/servicedemo/test:latest'
+      }
     }
   }
 }

src/Dockerfile

@@ -0,0 +1,4 @@
+FROM openjdk:11-jdk-alpine
+ARG JAR_FILE=target/*.jar
+COPY ${JAR_FILE} app.jar
+ENTRYPOINT ["java","-jar","/app/jar"]