fly pg attach

Attach a postgres cluster to an app


--app, -a <app>App name to operate on
--config, -c <config>Path to an app config file or directory containing one
--database-name <database-name>Database to use, defaults to a new database with the same name as the app
--database-user <database-user>The database user to create, defaults to creating a user with the same name as the consuming app
--postgres-app <postgres-app>The postgres cluster to attach to the app
--variable-name <variable-name>The env variable name that will be added to the app. Defaults to DATABASE_URL