Create Jenkinsfile

Jenkinsfile

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+pipeline {
+    agent mavenbuilder
+    stages {
+        stage ('Checkstyle') {
+            steps {
+                script {
+                    echo 'RUNNING CHECKSTYLES...'
+                    sh 'mvn checkstyle:checkstyle'
+                }
+            }
+        }
+        stage ('Test') {
+            steps {
+                script {
+                    echo 'RUNNING TESTS...'
+                    sh 'mvn test'
+                }
+            }
+        }
+        stage ('Build') {
+            steps {
+                script {
+                    echo 'BUILDING ARTIFACTS...'
+                    sh 'mvn clean package'
+                }
+            }
+        }
+        stage ('Containerisation') {
+            steps {
+                script {
+                    def dockerImage = docker.build("test-image1:${GIT_COMMIT[0..7]}", '.')
+                    docker.withRegistry('https://hub.docker.com/repository/docker/rgeorgegrid/mr', 'docker_hub_login') {
+                        dockerImage.push()
+                    }
+                    echo 'IMAGES BUILT AND PUSHED TO MR REGISTRY'
+                }
+            }
+        }
+    }
+}