diff --git a/compose.yaml b/compose.yaml
index cb154fb..9caf86d 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -10,6 +10,7 @@ services:
       - ./src:/app/src
     environment:
       - NODE_ENV=development
+      - DATABASE_URL=postgres://your_username:your_password@postgres:5432/epess
     labels:
       - 'traefik.enable=true'
       - 'traefik.http.routers.api.rule=Host(`api.epess.org`)'