After you run assets:precompile your compiled assets will be synchronised with your S3 bucket.

Easy deployment of your assets on CloudFront or S3 using a simple rake-task. When enabled in production, the application's asset_host and public_paths will point to the correct location.

This gem allows you to copy your static assets to include a unique hash in their filename. By using this and modifying your Rails asset path you can easily enable your Rails application to serve static content using CloudFront with a custom origin policy.

Jammit-S3 is an extension to the awesome Jammit library that handles deployment to s3 and cloudfront.