Uploading Files with Paperclip

Some time ago I wrote Better File Uploads with Dragonfly and Asynchronous File Uploads in Rails, two articles that covered Dragonfly, a nice gem to handle various attachments. In this article I am going to introduce Paperclip by Thoughtbot - probably, the most popular and feature-rich solution for integrating file uploading and management into an application.

One of the great things about Paperclip is its large and active community - this gem is constantly being updated and that's really important. You don't want to use a solution that will be abandoned in a year, do you?

We are going to observe all the main features of Paperclip and create a pretty simple but useful app featuring:

• Basic file uploading
• Validations and callbacks
• Post-processing (with thumbnail generation)
• Amazon S3

Continue reading %Uploading Files with Paperclip%

by Ilya Bodrov-Krukowski via SitePoint