diff --git a/docker-compose.yml b/docker-compose.yml
index 5a5d940..31e78f0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,14 +15,16 @@ services:
     image: elasticsearch:8.12.1
     user: 1000:1000
     restart: unless-stopped
-    mem_limit : 4g     
+    mem_limit : 4g     #limitation de l'utilisation de la ram 
     environment:
       - discovery.type=single-node
       - xpack.security.enabled=false #desactivation du ssl, pour l'activer : https://www.elastic.co/guide/en/elasticsearch/reference/7.17/configuring-tls-docker.html
       - xpack.security.enrollment.enabled=false
-      - "ES_JAVA_OPTS=-Xms2g -Xmx2g"
+      - "ES_JAVA_OPTS=-Xms2g -Xmx2g" #limitation de l'utilisation de la ram 
     networks:
       - parsedmarc-network
+    volumes:
+      - 'data01:/usr/share/elasticsearch/data'      
 
   grafana:
     build: ./grafana/
@@ -51,6 +53,10 @@ services:
     networks:
       - parsedmarc-network
 
+
+volumes:
+  data01:
+
 networks:
   parsedmarc-network:
     ipam: