Open your repo in VScode, after a few moments you should see a prompt from VScode asking if you want to reopen the repo in a dev container, follow the prompt to do so. If you are not prompted, you can click the remote connection icon in the bottom left corner and select 'Reopen in Container'
Once the container is built, click the SQL tools extension to establish your database connection. All required fields, including password, are 'postgres'.
Proceed to set up your file structure per Project document.