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試圖將我的應用部署到heroku。我不是很確定這個問題，如下所示，我已經使用了dotenv gem和基本認證。任何人都可以給我一些幫助。我找不到linve感謝任何全面的解答Heroku部署問題 - 推送到heroku似乎沒有工作。
> remote: sh: 2: Syntax error: Unterminated quoted string
> remote: sh: 2: Syntax error: Unterminated quoted string
> remote: !
> remote: ! Could not detect rake tasks
> remote: ! ensure you can run `$ bundle exec rake -P` against your app
> remote: ! and using the production group of your Gemfile.
> remote: ! rake aborted!
> remote: ! LoadError: cannot load such file -- dotenv
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/config/application.rb:4:in
> `require'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/config/application.rb:4:in
> `<top (required)>'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/Rakefile:4:in `require'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/Rakefile:4:in `<top
> (required)>'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/rake_module.rb:28:in
> `load'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/rake_module.rb:28:in
> `load_rakefile'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/application.rb:686:in
> `raw_load_rakefile'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/application.rb:96:in
> `block in load_rakefile'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/application.rb:178:in
> `standard_exception_handling'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/application.rb:95:in
> `load_rakefile'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/application.rb:79:in
> `block in run'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/application.rb:178:in
> `standard_exception_handling'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/lib/rake/application.rb:77:in
> `run'
> remote: ! /tmp/build_42cddfee1412c60445a7a20452697211/vendor/bundle/ruby/2.2.0/gems/rake-11.2.2/exe/rake:27:in
> `<top (required)>'
> remote: ! vendor/bundle/bin/rake:16:in `load'
> remote: ! vendor/bundle/bin/rake:16:in `<main>'
> remote: !
> remote: /app/tmp/buildpacks/f6d48d8a14fccbb19c0c0402fca224929d18e9ee042b3e204bc5992612e990d3b3a0fb1f9627b1a3bae11e9fa20dffc96e136bd734a2f3cf92a0d05bedd42cfe/lib/language_pack/helpers/rake_runner.rb:102:in
> `load_rake_tasks!': Could not detect rake tasks
> (LanguagePack::Helpers::RakeRunner::CannotLoadRakefileError)
> remote: ensure you can run `$ bundle exec rake -P` against your app
> remote: and using the production group of your Gemfile.
> remote: rake aborted!
> remote: LoadError: cannot load such file -- dotenv
我的寶石文件
source 'https://rubygems.org'
gem 'rails', '4.2.5'
gem 'pg'
gem 'sass-rails', '~> 5.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.1.0'
gem 'will_paginate', '~> 3.1.0'
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 2.0'
gem 'sdoc', '~> 0.4.0', group: :doc
gem "font-awesome-rails"
gem 'dotenv-rails', :groups => [:development, :test]
gem 'will_paginate-bootstrap'
gem "paperclip", "~> 5.0.0"
gem 'dotenv-heroku'
group :development, :test do
gem 'byebug'
end
group :development do
gem 'web-console', '~> 2.0'
gem 'spring'
end