Why does OpenSaaS require spinning up a db instance via Docker?
And the other app templates don't.
wasp start db command is used to start a PostgreSQL database in a Docker container when setting up OpenSaaS.wasp new in Wasp CLI > Comments Part 2 (https://github.com/wasp-lang/wasp/issues/1622)wasp start db , which will run the database for you in development, if your app is using Postgre as a database.wasp start db though, you can set up your own database and connect to it. wasp start db is here just for convenience, so you don't have to set up the dev database on your own if you don't want to.wasp start dbwasp start dbwasp start dbwasp start dbwasp new