diff --git a/src/guide/start/databases.md b/src/guide/start/databases.md
index 1ed8aef5..7e3bee59 100644
--- a/src/guide/start/databases.md
+++ b/src/guide/start/databases.md
@@ -52,13 +52,13 @@ services:
                 condition: service_healthy
 
     db:
-        image: postgres:${POSTGRES_VERSION:-15}-alpine
+        image: postgres:${POSTGRES_VERSION:-18}-alpine
         environment:
             POSTGRES_DB: app
             POSTGRES_PASSWORD: password
             POSTGRES_USER: user
         volumes:
-            - ../runtime/db:/var/lib/postgresql/data:rw
+            - ../runtime/db:/var/lib/postgresql:rw
         ports:
             - "${DEV_DB_PORT:-5432}:5432"
         healthcheck:
@@ -732,4 +732,3 @@ to repeat yourself and add some extra middleware, such as authentication, to the
 ## Trying it out
 
 Now try it out by opening `http://localhost/pages` in your browser.
-