docs: Add note on docker compose file

README.md

@@ -57,8 +57,7 @@ Note that this can take a few minutes.
 
 ### 4. Set up the server
 
-The server requires an SQL database to be available. I am currently using [bitnami-docker-phpmyadmin](https://github.com/bitnami/bitnami-docker-phpmyadmin) Docker image,
-which is MariaDB including phpMyAdmin. However, the simplest option is to use SQLite.
+The server requires an SQL database to be available. The simplest option is to use SQLite, but if you have Docker available you can use the [dev-server docker-compose file](./packages/dev-server/docker-compose.yml) which will start up both MariaDB and Postgres as well as their GUI management tools.
 
 Vendure uses [TypeORM](http://typeorm.io), and officially supports **MySQL**, **PostgreSQL** and **SQLite**, though other TypeORM-supported databases may work.