服务器导轨时候我加carrierwave.rb到配置/初始化不启动/

Question

我试图让我的图片上传工作，S3，但是当我创建 配置/初始化/ carrierwave.rb

，并添加

CarrierWave.configure do |config|                                             
    config.fog_credentials = {                                              
    # Configuration for Amazon S3 should be made available through an Environment variable.                              
    # For local installations, export the env variable through the shell OR                                  
    # if using Passenger, set an Apache environment variable.                                      
    #                                                    
    # In Heroku, follow http://devcenter.heroku.com/articles/config-vars                                   
    #                                                    
    # $ heroku config:add S3_KEY=your_s3_access_key S3_SECRET=your_s3_secret S3_REGION=eu-west-1 S3_ASSET_URL=http://assets.example.com/ S3_BUCKET_NAME=s3_bucket/folder           

    # Configuration for Amazon S3                                             
    :provider    => 'AWS',                                            
    :aws_access_key_id  => ENV['S3_KEY'],                                          
    :aws_secret_access_key => ENV['S3_SECRET'],                                         
    #region    => ENV['S3_REGION']                                          
    }                                                    

    # For testing, upload files to local `tmp` folder.                                        
    #if Rails.env.test? || Rails.env.cucumber?                                          
    # config.storage = :file                                              
    # config.enable_processing = false                                            
    # config.root = "#{Rails.root}/tmp"                                            
    #else                                                   
    # config.storage = :fog                                               
    #end                                                    

    # To let CarrierWave work on heroku                                            
    config.cache_dir = "#{Rails.root}/tmp/uploads"                                         
    config.fog_directory = ENV['S3_BUCKET_NAME']                                         

    # Generate http:// urls. Defaults to :authenticated_read (https://)                                    
    #config.s3_access_policy = :public_read                                           
    #config.fog_host   = "#{ENV['S3_ASSET_URL']}/#{ENV['S3_BUCKET_NAME']}"                                  
end                                                    

轨s不甚至开始

我得到一堆像这样的错误..

=> Booting WEBrick                                                 
=> Rails 4.2.0 application starting in development on http://localhost:3000                                  
=> Run `rails server -h` for more startup options                                         
=> Ctrl-C to shutdown server                                              
Exiting 

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Answer 1

好吧，我想通了这个问题...从application.yml的设置并没有获得加载..我通过将此添加到application.rb来修复它

if File.exists?(File.expand_path('../application.yml', __FILE__)) 
    ENV.update YAML.load(File.read(File.expand_path('../application.yml', __FILE__))) 
end