diff --git a/postgres/compose.yml b/postgres/compose.yml
index e935759..34fde3a 100644
--- a/postgres/compose.yml
+++ b/postgres/compose.yml
@@ -7,7 +7,8 @@ services:
       POSTGRES_USER: ${POSTGRES_USER:-postgres}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
       POSTGRES_DB: ${POSTGRES_DB:-postgres}
-      POSTGRES_PORT: ${POSTGRES_PORT:-5432}
+    ports:
+      - "${POSTGRES_PORT:-5432}:5432"
     volumes:
       - postgres_data:/var/lib/postgresql
     healthcheck: