您必须像这样手动创建相应的用户和数据库:

You have to create corresponding user and database manually like this:

在外壳中: psql

然后:

  create user alphauser with password 'alphapassword';
  create database alpha_database owner alphauser;
  alter user alphauser superuser createrole createdb replication;
  \q

别忘了分号.