diff --git a/docker-compose.yml b/docker-compose.yml
index 4b33a82..9025ef9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,12 +1,15 @@
-visualizer:
-  image: dockersamples/visualizer:stable  
-  ports:   
-     - "8001:8080"  
-  stop_grace_period: 1m30s 
-  volumes:    - "/var/run/docker.sock:/var/run/docker.sock"  
-  deploy:    
-    update_config:     
-      failure_action: rollback  
-    placement:
-      constraints:      
-        - 'node.role == manager'
\ No newline at end of file
+version: "3.8"
+
+services:
+  visualizer:
+    image: dockersamples/visualizer:stable  
+    ports:   
+      - "8001:8080"  
+    stop_grace_period: 1m30s 
+    volumes:    - "/var/run/docker.sock:/var/run/docker.sock"  
+    deploy:    
+      update_config:     
+        failure_action: rollback  
+      placement:
+        constraints:      
+          - 'node.role == manager'
\ No newline at end of file