VOL-452 Integration of logstash in a swarm cluster
- Startup elasticsearch and logstash separately
- Added new targets in Makefile to build opennms and logstash images
- Default to the swarm kafka domain name

Change-Id: I1f7af5669b6bc270f3ed5c172f42d7e86933ef55
diff --git a/compose/docker-compose-opennms.yml b/compose/docker-compose-opennms.yml
index a1d8968..d1dbcb6 100644
--- a/compose/docker-compose-opennms.yml
+++ b/compose/docker-compose-opennms.yml
@@ -24,7 +24,7 @@
       - /var/opennms/reports
 
   opennms:
-    build: ./opennms
+    image: cord/opennms
     env_file:
       - ./opennms/env/opennms.env
       - ./opennms/env/postgres.env