test

Jenkinsfile

@@ -32,7 +32,7 @@ node {
          * First, the incremental build number from Jenkins
          * Second, the 'latest' tag.
          * Pushing multiple tags is cheap, as all the layers are reused. */
-         def docker_tag
+         docker.withRegistry('https://docker.io', 'docker-hub-credentials') {
              script {
 		    if (env.BRANCH_NAME == 'master') {
 			    app.push()
@@ -40,6 +40,8 @@ node {
 			    app.push("devel")
 		    }
        	    }
+         }
+        
         
         
     }