Merge pull request #259 from jembi/hotfix

Set the mongo replication config in single node

interoperability-layer-openhim/swarm.sh

@@ -57,7 +57,7 @@ function initialize_package() {
       else
         config::await_service_running "mongo-1" "${COMPOSE_FILE_PATH}"/docker-compose.await-helper-mongo.yml "1" "$STACK"
 
-        try "docker exec -i $(docker ps -q -f name=openhim_mongo) mongo --eval \"rs.initiate()\"" throw "Could not initiate replica set for the single mongo instance. Some services use \
+        try "docker exec -i $(docker ps -q -f name=openhim_mongo) mongo --eval \"rs.initiate({'_id': 'mongo-set','members': [{'_id': 0,'priority': 1,'host': 'mongo-1:27017'}]})\"" throw "Could not initiate replica set for the single mongo instance. Some services use \
         mongo event listeners which only work with a replica set"
       fi
     fi