Answers for "create user and role psql"

psql create user

# https://www.postgresql.org/docs/8.0/sql-createuser.html
CREATE USER <username> WITH PASSWORD '<password>' VALID UNTIL '<date here>';

How do I add a user to a postgres database? cli

psql=# grant all privileges on database <dbname> to <username>

postgresql create user roles

CREATE ROLE admin WITH CREATEDB CREATEROLE;