fix

.gitignore

@@ -1,2 +1 @@
 .idea/*
-target

Dockerfile

@@ -2,7 +2,7 @@ FROM openjdk:8-jre-alpine
 
 EXPOSE 8080
 
-COPY ./target/java-maven-app-*.jar /usr/app/
+COPY ./target/java-maven-app-1.0-SNAPSHOT.jar /usr/app/
 WORKDIR /usr/app
 
-CMD java -jar java-maven-app-*.jar
+ENTRYPOINT ["java", "-jar", "java-maven-app-1.0-SNAPSHOT.jar"]

Jenkinsfile

@@ -1,74 +1,48 @@
 #!/usr/bin/env groovy
 
+library identifier: 'jenkins-shared-library@master', retriever: modernSCM(
+        [$class: 'GitSCMSource',
+         remote: 'https://gitlab.com/nanuchi/jenkins-shared-library.git',
+         credentialsId: 'gitlab-credentials'
+        ]
+)
+
+
+def gv
+
 pipeline {
     agent any
     tools {
         maven 'Maven'
     }
-    environment {
-        ECR_REPO_URL = '664574038682.dkr.ecr.eu-west-3.amazonaws.com'
-        IMAGE_REPO = "${ECR_REPO_URL}/java-maven-app"
-    }
     stages {
-        stage('increment version') {
+        stage("init") {
             steps {
                 script {
-                    echo 'incrementing app version...'
-                    sh 'mvn build-helper:parse-version versions:set \
-                        -DnewVersion=\\\${parsedVersion.majorVersion}.\\\${parsedVersion.minorVersion}.\\\${parsedVersion.nextIncrementalVersion} \
-                        versions:commit'
-                    def matcher = readFile('pom.xml') =~ '<version>(.+)</version>'
-                    def version = matcher[0][1]
-                    env.IMAGE_NAME = "$version-$BUILD_NUMBER"
-                    echo "############ ${IMAGE_REPO}"
+                    gv = load "script.groovy"
                 }
             }
         }
-        stage('build app') {
+        stage("build jar") {
             steps {
                 script {
-                   echo "building the application..."
-                   sh 'mvn clean package'
+                    buildJar()
                 }
             }
         }
-        stage('build image') {
+        stage("build and push image") {
             steps {
                 script {
-                    echo "building the docker image..."
-                    withCredentials([usernamePassword(credentialsId: 'ecr-credentials', passwordVariable: 'PASS', usernameVariable: 'USER')]) {
-                        sh "docker build -t ${IMAGE_REPO}:${IMAGE_NAME} ."
-                        sh "echo $PASS | docker login -u $USER --password-stdin ${ECR_REPO_URL}"
-                        sh "docker push ${IMAGE_REPO}:${IMAGE_NAME}"
+                    buildImage 'nanajanashia/demo-app:jma-3.0'
+                    dockerLogin()
+                    dockerPush 'nanajanashia/demo-app:jma-3.0'
                 }
             }
         }
-        }
-        stage('deploy') {
-            environment {
-                AWS_ACCESS_KEY_ID = credentials('jenkins_aws_access_key_id')
-                AWS_SECRET_ACCESS_KEY = credentials('jenkins_aws_secret_access_key')
-                APP_NAME = 'java-maven-app'
-            }
+        stage("deploy") {
             steps {
                 script {
-                    echo 'deploying docker image...'
-                    sh 'envsubst < kubernetes/deployment.yaml | kubectl apply -f -'
-                    sh 'envsubst < kubernetes/service.yaml | kubectl apply -f -'
-                }
-            }
-        }
-        stage('commit version update') {
-            steps {
-                script {
-                    withCredentials([usernamePassword(credentialsId: 'gitlab-credentials', passwordVariable: 'PASS', usernameVariable: 'USER')]) {
-                        sh 'git config user.email "jenkins@example.com"'
-                        sh 'git config user.name "Jenkins"'
-                        sh "git remote set-url origin https://${USER}:${PASS}@gitlab.com/nanuchi/java-maven-app.git"
-                        sh 'git add .'
-                        sh 'git commit -m "ci: version bump"'
-                        sh 'git push origin HEAD:jenkins-jobs'
-                    }
+                    gv.deployApp()
                 }
             }
         }

kubernetes/deployment.yaml

@@ -1,24 +0,0 @@
-apiVersion: apps/v1
-kind: Deployment
-metadata:
-  name: $APP_NAME
-  labels:
-    app: $APP_NAME
-spec:
-  replicas: 1
-  selector:
-    matchLabels:
-      app: $APP_NAME
-  template:
-    metadata:
-      labels:
-        app: $APP_NAME
-    spec:
-      imagePullSecrets:
-        - name: my-registry-key
-      containers:
-        - name: $APP_NAME
-          image: $IMAGE_REPO:$IMAGE_NAME
-          imagePullPolicy: Always
-          ports:
-            - containerPort: 8080

kubernetes/service.yaml

@@ -1,11 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: $APP_NAME
-spec:
-  selector:
-    app: $APP_NAME
-  ports:
-    - protocol: TCP
-      port: 80
-      targetPort: 8080

pom.xml

@@ -6,24 +6,7 @@
 
     <groupId>com.example</groupId>
     <artifactId>java-maven-app</artifactId>
-    <version>1.1.5</version>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>2.3.5.RELEASE</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>repackage</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
+    <version>1.0-SNAPSHOT</version>
 
     <dependencies>
         <dependency>

script.groovy

@@ -0,0 +1,5 @@
+def deployApp() {
+    echo 'deploying the application...'
+}
+
+return this

src/main/resources/static/index.html

@@ -1,11 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <title>MyApp</title>
-</head>
-<body>
-<h1>Welcome to Java Maven Application</h1>
-<!-- add image here  <img src="" width="" /> -->
-</body>
-</html>

src/test/java/AppTest.java

@@ -1,16 +0,0 @@
-import com.example.Application;
-import org.junit.Test;
-import static org.junit.Assert.*;
-
-public class AppTest {
-
-    @Test
-    public void testApp() {
-        Application myApp = new Application();
-
-        String result = myApp.getStatus();
-
-        assertEquals("OK", result);
-    }
-
-}

target/maven-archiver/pom.properties

@@ -1,5 +0,0 @@
-#Generated by Maven
-#Sat Dec 05 14:30:39 UTC 2020
-version=1.1.5
-groupId=com.example
-artifactId=java-maven-app

target/surefire-reports/AppTest.txt

@@ -1,4 +0,0 @@
--------------------------------------------------------------------------------
-Test set: AppTest
--------------------------------------------------------------------------------
-Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.126 sec

target/surefire-reports/TEST-AppTest.xml

@@ -1,64 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<testsuite tests="1" failures="0" name="AppTest" time="0.007" errors="0" skipped="0">
-  <properties>
-    <property name="java.runtime.name" value="OpenJDK Runtime Environment"/>
-    <property name="sun.boot.library.path" value="/usr/local/openjdk-8/jre/lib/amd64"/>
-    <property name="java.vm.version" value="25.242-b08"/>
-    <property name="java.vm.vendor" value="Oracle Corporation"/>
-    <property name="maven.multiModuleProjectDirectory" value="/var/jenkins_home/workspace/java-maven-app_jenkins-jobs"/>
-    <property name="java.vendor.url" value="http://java.oracle.com/"/>
-    <property name="path.separator" value=":"/>
-    <property name="guice.disable.misplaced.annotation.check" value="true"/>
-    <property name="java.vm.name" value="OpenJDK 64-Bit Server VM"/>
-    <property name="file.encoding.pkg" value="sun.io"/>
-    <property name="sun.java.launcher" value="SUN_STANDARD"/>
-    <property name="sun.os.patch.level" value="unknown"/>
-    <property name="java.vm.specification.name" value="Java Virtual Machine Specification"/>
-    <property name="user.dir" value="/var/jenkins_home/workspace/java-maven-app_jenkins-jobs"/>
-    <property name="java.runtime.version" value="1.8.0_242-b08"/>
-    <property name="java.awt.graphicsenv" value="sun.awt.X11GraphicsEnvironment"/>
-    <property name="java.endorsed.dirs" value="/usr/local/openjdk-8/jre/lib/endorsed"/>
-    <property name="os.arch" value="amd64"/>
-    <property name="java.io.tmpdir" value="/tmp"/>
-    <property name="line.separator" value="
-"/>
-    <property name="java.vm.specification.vendor" value="Oracle Corporation"/>
-    <property name="os.name" value="Linux"/>
-    <property name="classworlds.conf" value="/var/jenkins_home/tools/hudson.tasks.Maven_MavenInstallation/Maven/bin/m2.conf"/>
-    <property name="sun.jnu.encoding" value="UTF-8"/>
-    <property name="java.library.path" value="/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib"/>
-    <property name="maven.conf" value="/var/jenkins_home/tools/hudson.tasks.Maven_MavenInstallation/Maven/conf"/>
-    <property name="java.specification.name" value="Java Platform API Specification"/>
-    <property name="java.class.version" value="52.0"/>
-    <property name="sun.management.compiler" value="HotSpot 64-Bit Tiered Compilers"/>
-    <property name="os.version" value="5.4.0-51-generic"/>
-    <property name="library.jansi.path" value="/var/jenkins_home/tools/hudson.tasks.Maven_MavenInstallation/Maven/lib/jansi-native"/>
-    <property name="user.home" value="/var/jenkins_home"/>
-    <property name="user.timezone" value="Etc/UTC"/>
-    <property name="java.awt.printerjob" value="sun.print.PSPrinterJob"/>
-    <property name="java.specification.version" value="1.8"/>
-    <property name="file.encoding" value="UTF-8"/>
-    <property name="user.name" value="jenkins"/>
-    <property name="java.class.path" value="/var/jenkins_home/tools/hudson.tasks.Maven_MavenInstallation/Maven/boot/plexus-classworlds-2.6.0.jar"/>
-    <property name="java.vm.specification.version" value="1.8"/>
-    <property name="sun.arch.data.model" value="64"/>
-    <property name="java.home" value="/usr/local/openjdk-8/jre"/>
-    <property name="sun.java.command" value="org.codehaus.plexus.classworlds.launcher.Launcher clean package"/>
-    <property name="java.specification.vendor" value="Oracle Corporation"/>
-    <property name="user.language" value="en"/>
-    <property name="awt.toolkit" value="sun.awt.X11.XToolkit"/>
-    <property name="java.vm.info" value="mixed mode"/>
-    <property name="java.version" value="1.8.0_242"/>
-    <property name="java.ext.dirs" value="/usr/local/openjdk-8/jre/lib/ext:/usr/java/packages/lib/ext"/>
-    <property name="securerandom.source" value="file:/dev/./urandom"/>
-    <property name="sun.boot.class.path" value="/usr/local/openjdk-8/jre/lib/resources.jar:/usr/local/openjdk-8/jre/lib/rt.jar:/usr/local/openjdk-8/jre/lib/sunrsasign.jar:/usr/local/openjdk-8/jre/lib/jsse.jar:/usr/local/openjdk-8/jre/lib/jce.jar:/usr/local/openjdk-8/jre/lib/charsets.jar:/usr/local/openjdk-8/jre/lib/jfr.jar:/usr/local/openjdk-8/jre/classes"/>
-    <property name="java.vendor" value="Oracle Corporation"/>
-    <property name="maven.home" value="/var/jenkins_home/tools/hudson.tasks.Maven_MavenInstallation/Maven"/>
-    <property name="file.separator" value="/"/>
-    <property name="java.vendor.url.bug" value="http://bugreport.sun.com/bugreport/"/>
-    <property name="sun.cpu.endian" value="little"/>
-    <property name="sun.io.unicode.encoding" value="UnicodeLittle"/>
-    <property name="sun.cpu.isalist" value=""/>
-  </properties>
-  <testcase classname="AppTest" name="testApp" time="0.007"/>
-</testsuite>