rename env var

authhook/config/custom-environment-variables.json

-{
-    "authserv_host"                : "AUTH_SERVICE_HOST",
-    "authserv_port"                : "AUTH_SERVICE_PORT",
- 
-    "device_registry_host"         : "DEVICE_REGISTRY_HOST",
-    "device_registry_port"         : "DEVICE_REGISTRY_PORT",
+{ 
+    "device_registry_host"         : "DEVICEREGISTRY_HOST",
+    "device_registry_port"         : "DEVICEREGISTRY_PORT",
 
-    "token_registry_host"         : "TOKEN_REGISTRY_HOST",
-    "token_registry_port"         : "TOKEN_REGISTRY_PORT",
+    "token_registry_host"          : "TOKENREGISTRY_HOST",
+    "token_registry_port"          : "TOKENREGISTRY_PORT",
 
     "auth_on_register_debug"       : "AUTH_ON_REGISTER_DEBUG",
     "auth_on_publish_debug"        : "AUTH_ON_PUBLISH_DEBUG",
@@ -15,4 +12,4 @@
     "on_deliver_debug"             : "ON_DELIVER_DEBUG",
     "on_unsubscribe_debug"         : "ON_UNSUBSCRIBE_DEBUG",
     "on_offline_debug"             : "ON_OFFLINE_DEBUG"
-}
\ No newline at end of file
+}