Initialize database if empty. If set to false the database has to be manually initialized. If you want to manually initialize the database set migrationStrategy to `manual` which will create a file with SQL commands to initialize the database. Defaults to true.
migrationStrategy::
Strategy to use to migrate database. Valid values are `update`, `manual` and `validate`. Update will automatically migrate the database schema. Manual will export the required changes to a file with SQL commands that you can manually execute on the database. Validate will simply check if the database is up-to-date.
migrationExport::
Path for where to write manual database initialization/migration file.