mysql -u root -e "GRANT ALL PRIVILEGES ON asterisk.* TO freepbxuser@localhost IDENTIFIED BY '${ASTERISK_DB_PW}';"
mysql -u root -e "GRANT ALL PRIVILEGES ON asteriskcdrdb.* TO freepbxuser@localhost IDENTIFIED BY '${ASTERISK_DB_PW}';"
mysql -u root -e "flush privileges;"
password should be whatever you set it to.