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Description
Is your feature request related to a problem? Please describe.
I am trying to create a SAAS using frappe and while creating a new site I don't have an option to provide PostgreSQL username and password in the bench new-site command. So is there any ways that we can achieve this else please provide us in future releases.
Describe the solution you'd like
Please provide us options similar to --mariadb-root-username and --mariadb-root-password for postgres.
Describe alternatives you've considered
I am using MariaDB currently for SAAS.