diff --git a/docker-compose.yml b/docker-compose.yml
index ee874af..6a3f3d3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,6 +18,7 @@ services:
     restart: always
     user: postgres
     environment:
+      PGDATA: /var/lib/postgresql/data/pgdata
       POSTGRES_PASSWORD: postgres
       POSTGRES_HOST_AUTH_METHOD: trust
     healthcheck:
@@ -25,3 +26,5 @@ services:
       interval: 3s
       timeout: 5s
       retries: 5
+    volumes:
+      - ./postgres-db-data:/var/lib/postgresql/data/pgdata