production:
  access_key_id: 123333231331....
  secret_access_key: 12212dddddd........

config.paperclip_defaults = {
  :storage => :s3,
  :preserve_files => true,
  :s3_credentials => 'aws.yml',
  :s3_region => 'ap-south-1',
  :s3_host_name => 's3.ap-south-1.amazonaws.com',
  :bucket => 'xxxxxx'
}

anyone: read write

gem 'aws-sdk', '~> 2.10', '>= 2.10.85'