Add ports to docker-compose for db

This is a small change that lets me access the db from my IDE. In turn this let me generate a diagram of the database structure.

It took several minutes

Author: jonodrew

docker-compose.yml

@@ -1,6 +1,8 @@
 services:
   db:
     image: postgres:17
+    ports:
+      - 5433:5432
     volumes:
       - db_data:/var/lib/postgresql/data
     environment: