Fix image push step

Author: maricaantonacci

Jenkinsfile

@@ -5,9 +5,9 @@ pipeline {
 
     environment {
 
-        //DOCKER_HUB_CREDENTIALS = 'docker-hub-credentials'
+        DOCKER_HUB_CREDENTIALS = 'docker-hub-credentials'
         HARBOR_CREDENTIALS = 'harbor-paas-credentials'
-        DOCKER_HUB_IMAGE_NAME = 'indigo-paas/orchestrator-dashboard'
+        DOCKER_HUB_IMAGE_NAME = 'indigopaas/orchestrator-dashboard'
         HARBOR_IMAGE_NAME = 'datacloud-middleware/orchestrator-dashboard'
     }
 
@@ -17,13 +17,10 @@ pipeline {
             steps {
                 script {
                     // Build Docker image
-                    def dockerImage = docker.build("${DOCKER_HUB_IMAGE_NAME}:${env.BRANCH_NAME}", "-f docker/Dockerfile .")
-                    
-                    // Tag the image for Harbor
-                    dockerImage.tag("${HARBOR_IMAGE_NAME}:${env.BRANCH_NAME}")
-                    
-                    // Export the Docker image object for later stages
-                    env.DOCKER_IMAGE = dockerImage.id
+                    def dockerImage = docker.build("orchestrator-dashboard:${env.BRANCH_NAME}", "-f docker/Dockerfile .")
+
+                    sh("docker tag orchestrator-dashboard:${env.BRANCH_NAME} ${HARBOR_IMAGE_NAME}:${env.BRANCH_NAME}")
+                    sh("docker tag orchestrator-dashboard:${env.BRANCH_NAME} ${DOCKER_HUB_IMAGE_NAME}:${env.BRANCH_NAME}")
                 }
             }
         }
@@ -34,12 +31,12 @@ pipeline {
                     steps {
                         script {
                             // Retrieve the Docker image object from the previous stage
-                            def dockerImage = docker.image(env.DOCKER_IMAGE)
+                            def dockerhubImage = docker.image("${DOCKER_HUB_IMAGE_NAME}:${env.BRANCH_NAME}")
 
                             // Login to Docker Hub
                             docker.withRegistry('https://index.docker.io/v1/', DOCKER_HUB_CREDENTIALS) {
                                 // Push the Docker image to Docker Hub
-                                dockerImage.push()
+                                dockerhubImage.push()
                             }
                         }
                     }
@@ -49,12 +46,12 @@ pipeline {
                     steps {
                         script {
                             // Retrieve the Docker image object from the previous stage
-                            def dockerImage = docker.image(env.DOCKER_IMAGE)
+                            def harborImage = docker.image("${HARBOR_IMAGE_NAME}:${env.BRANCH_NAME}")
 
                             // Login to Harbor
                             docker.withRegistry('https://harbor.cloud.infn.it', HARBOR_CREDENTIALS) {
                                 // Push the Docker image to Harbor
-                                dockerImage.push()
+                                harborImage.push()
                             }
                         }
                     }