adjust jenkins container

Jenkinsfile

@@ -17,10 +17,10 @@ node {
      sh 'docker build -t ptb-fe -f Dockerfile .'
     }
     stage('Docker test'){
-      sh 'docker run --rm ptb/fe'
+      sh 'docker run --rm ptb-fe'
     }
     stage('Clean Docker test'){
-      sh 'docker rmi ptb/fe'
+      sh 'docker rmi ptb-fe'
     }
     stage('Deploy'){
       if(env.BRANCH_NAME == 'master'){