Docker-compose and postgres - not creatiing expected database

General
1

I am using ‘docker-compose’ to start a postgres database server

> version: "3.7"
> services:
>   db:
>     image: "postgres"
>     container_name: db
>     restart: always
>     ports:
>       - "5432:5432"
>     environment:
>       POSTGRES_USER: ian
>       POSTGRES_PASSWORD: ian
>       POSTGRES_DB: goodday
>     volumes:
>       - gd-data:/var/lib/postgresql/data
> 
> volumes:
>   gd-data:

This is running on Windows 10.

However, when I access the postgres database via my DBeaver database query tool, I can’t see a “goodday” database.

Is this a bug?