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Active Storage
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This guide covers how to attach files to your ActiveRecord models.

After reading this guide, you will know:

* How to attach a file(s) to a model.
* How to remove the attached file.
* How to link to the attached file.
* How to implement a download link.
* How to approach implementing a custom service.

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... general discussion of how things are meant to work....

Attaching Files to a Model
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