diff --git a/docker-compose.md b/docker-compose.md
index 84d554c41..8123994d3 100644
--- a/docker-compose.md
+++ b/docker-compose.md
@@ -216,3 +216,17 @@ networks:
     external:
       name: frontend
 ```
+
+### Volume
+
+```yaml
+# Mount host paths or named volumes, specified as sub-options to a service
+  db:
+    image: postgres:latest
+    volumes:
+      - "/var/run/postgres/postgres.sock:/var/run/postgres/postgres.sock"
+      - "dbdata:/var/lib/postgresql/data"
+
+volumes:
+  dbdata:
+```