diff --git a/app/docker-compose.prod.yml b/app/docker-compose.prod.yml
index 0c2c3bf..5fa4926 100644
--- a/app/docker-compose.prod.yml
+++ b/app/docker-compose.prod.yml
@@ -29,6 +29,10 @@ services:
     restart: always
     volumes:
       - ${PWD}/bizmatchdb-data-prod:/var/lib/postgresql/data  # Neu: Separates Daten-Volume
+    environment:
+      POSTGRES_DB: ${POSTGRES_DB}
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
     ports:
       - "5433:5432"  # Neu: Host-Port 5433, Container-Port bleibt 5432
     networks: