diff --git a/docker-compose.demo.yml b/docker-compose.demo.yml
index 761c5a1a9db989fbb1ab730558a2c7591b28ce46..6fe0f0c0c3dc159f68a28a48b1ba1445e63db6f7 100644
--- a/docker-compose.demo.yml
+++ b/docker-compose.demo.yml
@@ -28,6 +28,10 @@ services:
         hard: 65536
     volumes:
       - demo_opensearch:/usr/share/opensearch/data
+    environment:
+      - discovery.type=single-node
+      - bootstrap.memory_lock=true
+      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=VeryInsecurePassword1!
     expose:
       - 9200
       - 9600