+NEXUS_USERNAME=$(cat /opt/config/nexus_username.txt)
+NEXUS_PASSWD=$(cat /opt/config/nexus_password.txt)
+NEXUS_DOCKER_REPO=$(cat /opt/config/nexus_docker_repo.txt)
+
+docker login -u $NEXUS_USERNAME -p $NEXUS_PASSWD $NEXUS_DOCKER_REPO
+
+cd /opt/startup-vm-message-router/demo