[CORD-717]
Install a SSL-secured docker registry on head node

Change-Id: I871073238669566b1789039d38b80180e21e6dec
diff --git a/roles/dns-nsd/defaults/main.yml b/roles/dns-nsd/defaults/main.yml
index 6d8f415..fc5319b 100644
--- a/roles/dns-nsd/defaults/main.yml
+++ b/roles/dns-nsd/defaults/main.yml
@@ -54,6 +54,7 @@
       - { name: "cordloghost", dest: "{{ headnode_dns }}" }
       - { name: "consul", dest: "{{ headnode_dns }}" }
       - { name: "docker", dest: "{{ headnode_dns }}" }
+      - { name: "docker-registry", dest: "{{ headnode_dns }}" }
       - { name: "mavenrepo", dest: "{{ headnode_dns }}" }
       - { name: "ns", dest: "{{ headnode_dns }}" }
       - { name: "ns1", dest: "{{ headnode_dns }}" }