you can go to the settings section in the dashboard to get some of this
hostname
db.abcdefgabcedefg.supabase.co
(this is the url of your project)
*port *
5432
database
postgres
username
postgres
password
this is the password you set when you created the project
you can set a new password by following these instructions
https://supabase.com/docs/guides/database/managing-passwords