example.

Jenkinsfile

@@ -22,19 +22,31 @@ pipeline {
                 sh "docker build -t registry.proxyq.co/jenkins/website:${env.BUILD_ID} ."
             }
         }
-        stage('Test') {
+        stage('Testing') {
             steps {
                 echo "start Testing"
                 sh 'sleep 5'
                 echo "finish Testing"
             }
         }
-        stage('Deploy') {
+        stage('Publish') {
             steps {
-                echo "${env.ENV_REGISTRY_URL}"
-                sh "docker login https://registry.proxyq.co -u ${REGISTRY_CREDENTIALS_USR} -p ${REGISTRY_CREDENTIALS_PSW}"
+                sh "docker login https://registry.proxyq.co --user ${REGISTRY_CREDENTIALS_USR} --password-stdin ${REGISTRY_CREDENTIALS_PSW}"
                 sh "docker push registry.proxyq.co/jenkins/website:${env.BUILD_ID}"
             }
         }
+        stage('Redeploy') {
+            steps {
+                script {
+                    def json = """
+                        {"username": "test", "password": "test"}
+                    """
+                     def jwtResponse = httpRequest acceptType: 'APPLICATION_JSON', contentType: 'APPLICATION_JSON', validResponseCodes: '200', httpMode: 'POST', ignoreSslErrors: true, consoleLogResponseBody: true, requestBody: json, url: "https://portainer.<yourdomain>.com/api/auth"
+                     def jwtObject = new groovy.json.JsonSlurper().parseText(jwtResponse.getContent())
+                     env.JWTTOKEN = "Bearer ${jwtObject.jwt}"
+                }
+                echo "${env.JWTTOKEN}"
+            }
+        }
     }
 }