diff --git a/docker-compose.yml b/docker-compose.yml
index f444b81..5b14813 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -64,6 +64,8 @@ services:
       POSTGRES_DB: ${POSTGRES_DB:-greenlns}
       POSTGRES_USER: ${POSTGRES_USER:-greenlns}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD is required}
+    ports:
+      - "5434:5432"       
     volumes:
       - postgres_data:/var/lib/postgresql/data
     networks: