I'm not sure I understand the requirement here. Something different than (below)? https://www.postgresql.org/docs/current/app-createdb.html https://www.postgr

I'm not sure I understand the requirement here. Something different than (below)? https://www.postgresql.org/docs/current/app-createdb.html https://www.postgresql.org/docs/current/app-createdb.html https://www.postgresql.org/docs/current/app-createuser.html https://www.postgresql.org/docs/current/app-createuser.html (others https://www.postgresql.org/docs/current/reference-client.html https://www.postgresql.org/docs/current/reference-client.htm...) I never use these myself, but it seems there are ways to get there.