diff --git a/docker-compose.yml b/docker-compose.yml
index 57485c8..a620649 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,9 +5,9 @@ services:
     image: postgres:16-alpine
     restart: unless-stopped
     environment:
-      POSTGRES_USER: chainlearn
-      POSTGRES_PASSWORD: chainlearn_dev
-      POSTGRES_DB: chainlearn
+      POSTGRES_USER: ${POSTGRES_USER:-chainlearn}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-chainlearn_dev}
+      POSTGRES_DB: ${POSTGRES_DB:-chainlearn}
     ports:
       - "5432:5432"
     volumes: