Add MySQL/PGSQL DB user

dbuser.md

MYSQL

• create user 'username'@'localhost' identified by 'user-password';
• create database dbname;
• grant all privileges on dbname.* to 'username'@'localhost';
• flush privileges;

PSQL

• sudo --login --user postgres
• psql
• CREATE DATABASE dbname;
• CREATE USER username WITH PASSWORD 'user-password';
• GRANT ALL PRIVILEGES ON DATABASE dbname to username;