我知道这个问题已经被问过很多次了，我已经尝试了所有建议的解决方案，但仍然无法让它发挥作用：
我尝试将应用程序推送到 heroku，但它被拒绝，因为它尝试安装 sqlite gem。我一开始有 sqlite 作为生产数据库，但我改变并试图找到所有将 sqlite 作为依赖项的 gem，但 heroku 仍然尝试安装它。
我什至尝试在任何地方采取/评论它。非常感谢帮助！
宝石文件：
https://rubygems.org'
ruby '1.9.3'
gem 'rails', '3.2.13'
gem 'sqlite3', :group => [:development, :test]
group :assets do
gem 'sass-rails', '~> 3.2.3'
gem 'coffee-rails', '~> 3.2.1'
gem 'uglifier', '>= 1.0.3'
end
gem 'jquery-rails'
gem 'bootstrap-sass'
gem 'cancan'
gem 'devise'
gem 'figaro'
gem 'simple_form'
gem 'bootstrap-datepicker-rails'
gem 'paymill'
gem 'heroku'
group :development do
gem 'better_errors'
gem 'binding_of_caller', :platforms=>[:mri_19, :mri_20, :rbx]
gem 'hub', :require=>nil
gem 'quiet_assets'
end
group :development, :test do
gem 'factory_girl_rails'
gem 'rspec-rails'
end
group :production do
gem 'thin'
gem 'pg'
end
group :test do
gem 'capybara'
gem 'cucumber-rails', :require=>false
gem 'database_cleaner', '1.0.1'
gem 'email_spec'
gem 'launchy'
end
Gemfile.lock
GEM
remote: https://rubygems.org/
specs:
actionmailer (3.2.13)
actionpack (= 3.2.13)
mail (~> 2.5.3)
actionpack (3.2.13)
activemodel (= 3.2.13)
activesupport (= 3.2.13)
builder (~> 3.0.0)
erubis (~> 2.7.0)
journey (~> 1.0.4)
rack (~> 1.4.5)
rack-cache (~> 1.2)
rack-test (~> 0.6.1)
sprockets (~> 2.2.1)
activemodel (3.2.13)
activesupport (= 3.2.13)
builder (~> 3.0.0)
activerecord (3.2.13)
activemodel (= 3.2.13)
activesupport (= 3.2.13)
arel (~> 3.0.2)
tzinfo (~> 0.3.29)
activeresource (3.2.13)
activemodel (= 3.2.13)
activesupport (= 3.2.13)
activesupport (3.2.13)
i18n (= 0.6.1)
multi_json (~> 1.0)
addressable (2.3.5)
arel (3.0.2)
atomic (1.1.14)
bcrypt-ruby (3.1.2)
better_errors (1.0.1)
coderay (>= 1.0.0)
erubis (>= 2.6.6)
binding_of_caller (0.7.2)
debug_inspector (>= 0.0.1)
bootstrap-datepicker-rails (1.1.1.7)
railties (>= 3.0)
bootstrap-sass (2.3.2.2)
sass (~> 3.2)
builder (3.0.4)
cancan (1.6.10)
capybara (2.1.0)
mime-types (>= 1.16)
nokogiri (>= 1.3.3)
rack (>= 1.0.0)
rack-test (>= 0.5.4)
xpath (~> 2.0)
coderay (1.1.0)
coffee-rails (3.2.2)
coffee-script (>= 2.2.0)
railties (~> 3.2.0)
coffee-script (2.2.0)
coffee-script-source
execjs
coffee-script-source (1.6.3)
cucumber (1.3.8)
builder (>= 2.1.2)
diff-lcs (>= 1.1.3)
gherkin (~> 2.12.1)
multi_json (>= 1.7.5, < 2.0)
multi_test (>= 0.0.2)
cucumber-rails (1.4.0)
capybara (>= 1.1.2)
cucumber (>= 1.2.0)
nokogiri (>= 1.5.0)
rails (>= 3.0.0)
daemons (1.1.9)
database_cleaner (1.0.1)
debug_inspector (0.0.2)
devise (3.1.0)
bcrypt-ruby (~> 3.0)
orm_adapter (~> 0.1)
railties (>= 3.2.6, < 5)
thread_safe (~> 0.1)
warden (~> 1.2.3)
diff-lcs (1.2.4)
email_spec (1.5.0)
launchy (~> 2.1)
mail (~> 2.2)
erubis (2.7.0)
eventmachine (1.0.3)
excon (0.25.3)
execjs (2.0.1)
factory_girl (4.2.0)
activesupport (>= 3.0.0)
factory_girl_rails (4.2.1)
factory_girl (~> 4.2.0)
railties (>= 3.0.0)
figaro (0.7.0)
bundler (~> 1.0)
rails (>= 3, < 5)
gherkin (2.12.1)
multi_json (~> 1.3)
heroku (2.40.1)
heroku-api (~> 0.3.7)
launchy (>= 0.3.2)
netrc (~> 0.7.7)
rest-client (~> 1.6.1)
rubyzip
heroku-api (0.3.15)
excon (~> 0.25.1)
hike (1.2.3)
hub (1.10.6)
i18n (0.6.1)
journey (1.0.4)
jquery-rails (3.0.4)
railties (>= 3.0, < 5.0)
thor (>= 0.14, < 2.0)
json (1.8.0)
launchy (2.3.0)
addressable (~> 2.3)
mail (2.5.4)
mime-types (~> 1.16)
treetop (~> 1.4.8)
mime-types (1.25)
mini_portile (0.5.1)
multi_json (1.8.0)
multi_test (0.0.2)
netrc (0.7.7)
nokogiri (1.6.0)
mini_portile (~> 0.5.0)
orm_adapter (0.4.0)
paymill (0.4.0)
json
pg (0.16.0)
polyglot (0.3.3)
quiet_assets (1.0.2)
railties (>= 3.1, < 5.0)
rack (1.4.5)
rack-cache (1.2)
rack (>= 0.4)
rack-ssl (1.3.3)
rack
rack-test (0.6.2)
rack (>= 1.0)
rails (3.2.13)
actionmailer (= 3.2.13)
actionpack (= 3.2.13)
activerecord (= 3.2.13)
activeresource (= 3.2.13)
activesupport (= 3.2.13)
bundler (~> 1.0)
railties (= 3.2.13)
railties (3.2.13)
actionpack (= 3.2.13)
activesupport (= 3.2.13)
rack-ssl (~> 1.3.2)
rake (>= 0.8.7)
rdoc (~> 3.4)
thor (>= 0.14.6, < 2.0)
rake (10.1.0)
rdoc (3.12.2)
json (~> 1.4)
rest-client (1.6.7)
mime-types (>= 1.16)
rspec-core (2.14.5)
rspec-expectations (2.14.2)
diff-lcs (>= 1.1.3, < 2.0)
rspec-mocks (2.14.3)
rspec-rails (2.14.0)
actionpack (>= 3.0)
activesupport (>= 3.0)
railties (>= 3.0)
rspec-core (~> 2.14.0)
rspec-expectations (~> 2.14.0)
rspec-mocks (~> 2.14.0)
rubyzip (1.0.0)
sass (3.2.10)
sass-rails (3.2.6)
railties (~> 3.2.0)
sass (>= 3.1.10)
tilt (~> 1.3)
simple_form (2.1.0)
actionpack (~> 3.0)
activemodel (~> 3.0)
sprockets (2.2.2)
hike (~> 1.2)
multi_json (~> 1.0)
rack (~> 1.0)
tilt (~> 1.1, != 1.3.0)
sqlite3 (1.3.8)
thin (1.5.1)
daemons (>= 1.0.9)
eventmachine (>= 0.12.6)
rack (>= 1.0.0)
thor (0.18.1)
thread_safe (0.1.3)
atomic
tilt (1.4.1)
treetop (1.4.15)
polyglot
polyglot (>= 0.3.1)
tzinfo (0.3.37)
uglifier (2.2.1)
execjs (>= 0.3.0)
multi_json (~> 1.0, >= 1.0.2)
warden (1.2.3)
rack (>= 1.0)
xpath (2.0.0)
nokogiri (~> 1.3)
PLATFORMS
ruby
DEPENDENCIES
better_errors
binding_of_caller
bootstrap-datepicker-rails
bootstrap-sass
cancan
capybara
coffee-rails (~> 3.2.1)
cucumber-rails
database_cleaner (= 1.0.1)
devise
email_spec
factory_girl_rails
figaro
heroku
hub
jquery-rails
launchy
paymill
pg
quiet_assets
rails (= 3.2.13)
rspec-rails
sass-rails (~> 3.2.3)
simple_form
sqlite3
thin
uglifier (>= 1.0.3)