I have static files which are servered up via Thin in my Rails 3 application. There isn't a route for these files, they are just directly referenced via url. However, it seems as though the file is being cached. I'm not sure if the caching is occuring due to the web server (Thin) or due to the browser (Chrome).
Is there a way to disable static file caching in Rails 3 or Thin on Windows?
To force caching to be off use config.action_controller.perform_caching = false
Other options to try and check
config.serve_static_assets = false
config.static_cache_control = "public, max-age=0"
config.assets.digest = false
https://devcenter.heroku.com/articles/rack-cache-memcached-static-assets-rails31#serve_static_assets
To disable browsers from caching you can try
application_controller.rb..
before_filter :set_cache_buster
def set_cache_buster
response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
response.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT"
end
credit https://stackoverflow.com/a/748646/643500
For server configuration, you can change cache header like:
For Apache:
<LocationMatch "^/assets/.*$">
Header unset ETag
FileETag None
# RFC says only cache for 1 year
ExpiresActive On
ExpiresDefault "access plus 1 year"
</LocationMatch>
