diff --git a/compose.yaml b/compose.yaml
index 918e54d..7796312 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -9,6 +9,8 @@ services:
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
       POSTGRES_DB: ${POSTGRES_DB}
+    volumes:
+      - ./data_postgresql:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER}"]
       interval: 30s