diff --git a/docker-compose.yml b/docker-compose.yml
index 5f222f8..daf4f10 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -27,6 +27,17 @@ services:
 
   es:
     image: elasticsearch:2.4-alpine
+    ulimits:
+      memlock:
+        soft: 20480
+        hard: 20480
+    environment:
+      ES_HEAP_SIZE: "24m"
+      ES_JAVA_OPTS: "-server"
+      MAX_LOCKED_MEMORY: 20480
+      index.number_of_shards: 1
+      index.number_of_replicas: 0
+      network.tcp.block: 1
     expose:
       - "9200"
     networks: