Initial commit

.gitignore

+.idea/*
+target
\ No newline at end of file

Dockerfile

+FROM openjdk:8-jre-alpine
+EXPOSE 8080
+COPY ./target/java-maven-app-1.1.0-SNAPSHOT.jar /usr/app/
+WORKDIR /usr/app
+ENTRYPOINT ["java", "-jar", "java-maven-app-1.1.0-SNAPSHOT.jar"]

Jenkinsfile

+ pipeline {
+    agent any
+    environment {
+        PROJECT_ID = 'secret-lambda-365807'
+        CLUSTER_NAME = 'cicd-task'
+        LOCATION = 'us-central1-c'
+        CREDENTIALS_ID = 'k8s-cicd'
+    }
+
+    tools {
+        maven 'Maven'
+    }
+    stages {
+        stage("git clone") {
+            steps {
+                script {
+                  echo "cloning my app"
+                  sh "rm -rf *"
+                  git branch: 'main', url: 'https://gitlab.com/mshussainn/cicdtask.git'
+                }
+
+            }
+        }
+
+        stage("build jar") {
+            steps {
+                script {
+                  echo "building application"
+                  sh 'mvn clean package'
+                  sh 'mvn package'
+                }
+            }
+        }
+
+        stage("build docker") {
+            steps {
+                script {
+                  echo "building application"
+                  withCredentials([usernamePassword(credentialsId: 'docker-hub-creds', passwordVariable: 'PASS', usernameVariable: 'USER')]) {
+
+                      sh "sed -i 's/VERSION/${env.BUILD_ID}/g' docker-build.sh"
+                      sh 'chmod 777 docker-build.sh'
+                      sh './docker-build.sh'
+                      // sh 'docker build -t my-app:1.0 .'
+                      // sh 'docker tag my-app:1.0 mshussain/my-app:1.0'
+                      // sh 'echo $PASS | docker login -u $USER --password-stdin'
+                      // sh 'docker push mshussain/my-app:1.0'
+
+
+                  }
+                }
+            }
+        }
+
+        stage("Deploy") {
+            steps {
+                sh "sed -i 's/VERSION/${env.BUILD_ID}/g' dep.yaml"
+                step([$class: 'KubernetesEngineBuilder', \
+                projectId: env.PROJECT_ID, \
+                clusterName: env.CLUSTER_NAME, \
+                location: env.LOCATION, \
+                manifestPattern: 'dep.yaml', \
+                credentialsId: env.CREDENTIALS_ID, \
+                verifyDeployments: true])
+            }
+        }
+
+    }
+}
\ No newline at end of file

README.md

+# nisum-cicd-task

dep.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: cicd-task
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: cicd-task
+  template:
+    metadata:
+      labels:
+        app: cicd-task
+    spec:
+      containers:
+        - name: cicd-task
+          image: mshussain/my-app:VERSION
+          ports:
+            - containerPort: 8080
+          env:
+            - name: PORT
+              value: "8080"
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: cicd-task
+spec:
+  type: LoadBalancer
+  selector:
+    app: cicd-task
+  ports:
+    - port: 80
+      targetPort: 8080
\ No newline at end of file

docker-build.sh

+#!/bin/sh
+docker build -t my-app:VERSION .
+docker tag my-app:VERSION mshussain/my-app:VERSION
+echo $PASS | docker login -u $USER --password-stdin
+docker push mshussain/my-app:VERSION
\ No newline at end of file

pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.example</groupId>
+    <artifactId>java-maven-app</artifactId>
+    <version>1.1.0-SNAPSHOT</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>
+
+            <!-- to handle any Java version mismatch, add the following configuration for maven-compiler-plugin -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.6.0</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <version>2.3.4.RELEASE</version>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.1</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>net.logstash.logback</groupId>
+            <artifactId>logstash-logback-encoder</artifactId>
+            <version>6.4</version>
+        </dependency>
+    </dependencies>
+
+</project>

script.groovy

+def buildJar() {
+    echo "building the application..."
+    sh 'mvn package'
+} 
+
+def buildImage() {
+    echo "building the docker image..."
+    withCredentials([usernamePassword(credentialsId: 'docker-hub-repo', passwordVariable: 'PASS', usernameVariable: 'USER')]) {
+        sh 'docker build -t nanajanashia/demo-app:jma-2.0 .'
+        sh "echo $PASS | docker login -u $USER --password-stdin"
+        sh 'docker push nanajanashia/demo-app:jma-2.0'
+    }
+} 
+
+def deployApp() {
+    echo 'deploying the application...'
+} 
+
+return this
\ No newline at end of file

src/main/java/com/example/Application.java

+package com.example;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import javax.annotation.PostConstruct;
+
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args)
+    {
+        SpringApplication.run(Application.class, args);
+    }
+
+    @PostConstruct
+    public void init()
+    {
+        Logger log = LoggerFactory.getLogger(Application.class);
+        log.info("Java app started");
+    }
+
+    public String getStatus() {
+        return "OK";
+    }
+}

src/main/resources/static/index.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>MyApp</title>
+</head>
+<body>
+<h1>kia hall hain ??  </h1>
+<!-- add image here  <img src="" width="" /> -->
+</body>
+</html>

test.html

+This is test