Кто-нибудь знает магическое заклинание, необходимое для получения приложения Sinatra, которое использует DataMapper и работает в стеке Herbou Bamboo?Стек Bamboo не содержит никаких предустановленных системных гемов, и независимо от того, какую комбинацию драгоценных камней я пробую, я получаю эту ошибку:
undefined method `auto_upgrade!' for DataMapper:Module (NoMethodError)
Это то, что есть в моем файле .gems
:
sinatra
pg
datamapper
do_postgres
dm-postgres-adapter
И вот те зависимости, которые устанавливаются, когда я отправляю приложение в Heroku:
-----> Heroku receiving push
-----> Sinatra app detected
-----> Installing gem sinatra from http://rubygems.org
Successfully installed sinatra-1.0
1 gem installed
-----> Installing gem pg from http://rubygems.org
Building native extensions. This could take a while...
Successfully installed pg-0.9.0
1 gem installed
-----> Installing gem datamapper from http://rubygems.org
Successfully installed extlib-0.9.15
Successfully installed addressable-2.2.1
Successfully installed dm-core-1.0.2
Successfully installed dm-aggregates-1.0.2
Successfully installed dm-migrations-1.0.2
Successfully installed dm-constraints-1.0.2
Successfully installed dm-transactions-1.0.2
Successfully installed fastercsv-1.5.3
Successfully installed json_pure-1.4.6
Successfully installed dm-serializer-1.0.2
Successfully installed dm-timestamps-1.0.2
Successfully installed dm-validations-1.0.2
Successfully installed uuidtools-2.1.1
Successfully installed stringex-1.1.0
Successfully installed dm-types-1.0.2
Successfully installed datamapper-1.0.2
16 gems installed
-----> Installing gem do_postgres from http://rubygems.org
Building native extensions. This could take a while...
Successfully installed data_objects-0.10.2
Successfully installed do_postgres-0.10.2
2 gems installed
-----> Installing gem dm-postgres-adapter from http://rubygems.org
Successfully installed dm-do-adapter-1.0.2
Successfully installed dm-postgres-adapter-1.0.2
2 gems installed
Приложение отлично работает локально с использованием SQLite3.Мне не хватает другого компонента PostgreSQL?