adding kaniko

Jenkinsfile

@@ -37,21 +37,20 @@ pipeline {
         }
         stage('Build and Push Docker Image') {
             steps {
-                script {
-                    def imageTag = "dev-${env.SHORT_SHA}"
-                    sh """
-                    docker build -t ${REGISTRY_URL}/${IMAGE_NAME}:${imageTag} \
-                                 -t ${REGISTRY_URL}/${IMAGE_NAME}:dev \
-                                 -t ${REGISTRY_URL}/${IMAGE_NAME}:latest \
-                                 -f deploy/docker/Dockerfile .
-                    docker push ${REGISTRY_URL}/${IMAGE_NAME}:${imageTag}
-                    docker push ${REGISTRY_URL}/${IMAGE_NAME}:dev
-                    docker push ${REGISTRY_URL}/${IMAGE_NAME}:latest
-                    """
+                container('kaniko') {
+                    script {
+                        def imageTag = "dev-${env.SHORT_SHA}"
+                        sh """
+                        /kaniko/executor --context=dir://. \
+                                        --dockerfile=deploy/docker/Dockerfile \
+                                        --destination=${REGISTRY_URL}/${IMAGE_NAME}:${imageTag} \
+                                        --destination=${REGISTRY_URL}/${IMAGE_NAME}:dev \
+                                        --destination=${REGISTRY_URL}/${IMAGE_NAME}:latest
+                        """
+                    }
                 }
             }
         }
-
         stage('Deploy to Kubernetes') {
             steps {
                 script {