Jenkinsfile for building and pushing Docker image to Nexus Docker repo

Jenkinsfile

@@ -1,32 +1,37 @@
 pipeline {
     agent any
-
-    tools {
-        // Install the Maven version configured as "M3" and add it to the path.
-        gradle "8.6"
+    environment {
+        NEXUS_CREDS = credentials('nexus-cred')
+        NEXUS_DOCKER_REPO = '3.252.205.41:8085'
     }
 
     stages {
-        stage('Build') {
+       
+       stage('Docker Build') {
+        
+            steps { 
+                    echo 'Building docker Image'
+                    sh 'docker build -t $NEXUS_DOCKER_REPO/spring-petclinic:${GIT_COMMIT} .'
+                }
+        }
+
+       stage('Docker Login') {
             steps {
-                // Get some code from a GitHub repository
-                git 'https://github.com/jglick/simple-maven-project-with-tests.git'
-
-                // Run Maven on a Unix agent.
-                sh "mvn -Dmaven.test.failure.ignore=true clean package"
-
-                // To run Maven on a Windows agent, use
-                // bat "mvn -Dmaven.test.failure.ignore=true clean package"
-            }
-
-            post {
-                // If Maven was able to run the tests, even if some of the test
-                // failed, record the test results and archive the jar file.
-                success {
-                    junit '**/target/surefire-reports/TEST-*.xml'
-                    archiveArtifacts 'target/*.jar'
+                echo 'Nexus Docker Repository Login'
+                script{
+                    withCredentials([usernamePassword(credentialsId: 'nexus-cred', usernameVariable: 'USER', passwordVariable: 'PASS' )]){
+                       sh ' echo $PASS | docker login -u $USER --password-stdin $NEXUS_DOCKER_REPO'
+                    }
+                   
                 }
             }
         }
+
+        stage('Docker Push') {
+            steps {
+                echo 'Pushing Imgaet to docker hub'
+                sh 'docker push $NEXUS_DOCKER_REPO/spring-petclinic:${GIT_COMMIT}'
+            }
+        }
     }
-}
+}