Run script/setup to create and migrate the database specified in the
$DATABASE_URL environment variable.
The default environment is stored in .env. Override any of the settings
found there by creating a .env.local file.
AMBER: The primary database, set toDATABASE_URL. Writes fromwebandupdateprocesses go here. It is also theFOLLOW_DATABASE_URL, so reads come from it as well.