Adding a few more variables to Keystone Docker

It introduces the Keystone host variable which should help in
Kubernetes distributions. It also checks if the database was
created but it is empty.

Change-Id: I7c4bf7423023825f21accc1d34c4d858596b2fd9
Signed-off-by: Eduardo Sousa <esousa@whitestack.com>
diff --git a/docker/Keystone/Dockerfile b/docker/Keystone/Dockerfile
index 3d7683d..30144b4 100644
--- a/docker/Keystone/Dockerfile
+++ b/docker/Keystone/Dockerfile
@@ -26,9 +26,17 @@
 ENV DB_PORT                 3306
 ENV ROOT_DB_USER            root
 ENV ROOT_DB_PASSWORD        admin
-# keystone
 ENV KEYSTONE_DB_PASSWORD    admin
+# keystone
+ENV REGION_ID               RegionOne
+ENV KEYSTONE_HOST           keystone
+# admin user
+ENV ADMIN_USERNAME          admin
 ENV ADMIN_PASSWORD          admin
-ENV NBI_PASSWORD            nbi
+ENV ADMIN_PROJECT           admin
+# nbi service user
+ENV SERVICE_USERNAME        nbi
+ENV SERVICE_PASSWORD        nbi
+ENV SERVICE_PROJECT         service
 
 ENTRYPOINT ./start.sh