Dockerhub creds

Jenkinsfile

@@ -69,7 +69,7 @@ pipeline {
         stage ('Push') {
             steps {
                 script {
-                    docker.withRegistry('https://registry.hub.docker.com/', "dockerhub-$maintainer") {
+                    docker.withRegistry('https://registry.hub.docker.com/', "dockerhub-tier") {
                         def baseImg = docker.image("$maintainer/$imagename:$tag")
                         baseImg.push("$tag")