A Rack middleware for Rails with asset pipeline and asset digest enabled. This middleware is used to redirect any not found request to static asset to the latest version with digest in its filename by reading the manifest file generated after you run rake assets:precompile
For example, if a browser is requesting this URL, and the image with the digest has been removed:
http://example.org/assets/dog-faa42cf2fd5db7e7290baa07109bc82b.png
They will get redirected to the current version pointed by the manifest:
http://example.org/assets/application-faa42cf2fd5db7e7290baa07109bc99b.png
This gem is designed to run on your staging or production environment, where you already precompile all your assets, turn on your asset digest, and turn of asset compilation. This is useful if you're having a static page or email which refers to static assets in the asset pipeline, in this case the asset with the old digest can be lost after a deploymeny, and is convenient to automatically show the current version instead of a 404.
This gem has been inspired from https://github.com/sikachu/sprockets-redirect, but with the difference that in this gem both digested/undigested links will automatically redirect to the latest digested version.
Install the gem and add to the application's Gemfile by executing:
$ bundle add assets-redirect
This middleware will be enabled by default if you set config.assets.compile = false and config.assets.digest = true in your configuration file.
If you run the app in a Docker container and are using Sprockets is suggested to keep the Sprockets cache (tmp/cache/assets) in the container, this allows faster redirect
lookups for .js and .css files.
After checking out the repo, run bin/setup to install dependencies. Then, run rake to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
Bug reports and pull requests are welcome on GitHub at https://github.com/basecamp/assets-redirect.
The gem is available as open source under the terms of the MIT License.
FAQs
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We found that assets-redirect demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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