[Rails] Add expire header for images stored in amazon s3

Hi everyone Good Afternoon,      I done adding expire header by put the following code into my product  model.        :s3_headers => { 'Cache-Control' => 'max-age=315576000', 'Expires'   =>  10.years.from_now.httpdate },      But its work only while i add new product and image.    Already i have 100 of products and images. How can i add expire header  for those which already exist products.    Please advice.  

--
You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/dAHJ630GauwJ.
For more options, visit https://groups.google.com/groups/opt_out.