Heroku + Railsな環境で、Dragonflyを使って画像を動的にリサイズする (with Amazon S3/CloudFront) - Qiitarequire 'dragonfly' require 'dragonfly/s3_data_store' # Configure Dragonfly.app.configure do plugin :imagemagick protect_from_dos_attacks true secret '201403152307...' url_format "/media/:job/:name" datastore :s3, bucket_name: ENV['S3_BUCKET_NAME'], access_key_id: ENV['S3_ACCESS_KEY_ID'], secret_access_key: ENV['S3_SECRET_ACCESS_KEY'], region: ENV['S3_REGION'] end # Logger Dragonfly.logger = Rails
http://helabs.com.br/2014/02/21/how-to-upload-big-files-to-amazon-s3-through-heroku/
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