Change name of the docker image for devops-portal

Change-Id: I05f8024264adcb057f222bff5bac6c77f4df5d62
diff --git a/jenkins/client/job/docker/devops-portal.yml b/jenkins/client/job/docker/devops-portal.yml
index 7af37eb..399586f 100644
--- a/jenkins/client/job/docker/devops-portal.yml
+++ b/jenkins/client/job/docker/devops-portal.yml
@@ -40,7 +40,7 @@
           param:
             IMAGE_NAME:
               type: string
-              default: "devops_portal"
+              default: "devops-portal"
             IMAGE_TAGS:
               type: string
               default: ""