diff --git a/readme.md b/readme.md
index 2ede03f..0f72b8e 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,3 @@
-
 # file: docker-compose.yml
 
 ~~~yml
@@ -30,13 +29,20 @@ services:
       [ -f .env ] || ([ -f .env.develop ] && cp .env.develop .env) ;
       python myproject/manage.py runserver 0.0.0.0:$$PORT
       "
-networks:
-  default:
-    external:
-      name: transporte_default
+
+  db:
+    image: postgis/postgis:14-3.4-alpine
+    volumes:
+      - db:/var/lib/postgresql/data
+      - ./dumps:/docker-entrypoint-initdb.d
+    environment:
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: cms
+      PGDATA: /var/lib/postgresql/data/pgdata
 
 volumes:
   venv:
+  db:
 ~~~