What we do is run Varnish in front of S3 to cache files on machines with cheaper bandwidth. https://github.com/hummingbird-me/ansible-deploy/blob/master/roles/

What we do is run Varnish in front of S3 to cache files on machines with cheaper bandwidth. https://github.com/hummingbird-me/ansible-deploy/blob/master/roles/varnish/templates/default.vcl https://github.com/hummingbird-me/ansible-deploy/blob/master... It is very little work to set up, and you don't need to modify your code and migrate your files to a different service. Setting up a CDN might have been easier but this works out cheaper for us.