Offloads CarrierWave image processing and storage to background jobs using ActiveJob or Sidekiq to prevent request blocking.
CarrierWave Backgrounder is a Ruby gem that offloads CarrierWave's image processing and file storage operations to background jobs. It solves the problem of web requests being blocked while waiting for images to process, improving application performance and user experience. The gem integrates with ActiveJob or Sidekiq to handle these tasks asynchronously.
Ruby on Rails developers using CarrierWave for file uploads who need to improve application responsiveness by moving image processing out of request cycles. Particularly useful for applications with heavy image processing requirements or those deployed on platforms like Heroku with ephemeral file storage.
Developers choose CarrierWave Backgrounder because it seamlessly integrates with existing CarrierWave setups while providing reliable background processing without blocking web requests. Its support for both ActiveJob and Sidekiq, along with customizable workers and processing status tracking, offers flexibility for different application architectures.
Offload CarrierWave's image processing and storage to a background process using ActiveJob or Sidekiq.
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Moves image processing and storage to background jobs using ActiveJob or Sidekiq, ensuring web requests aren't delayed, as core to its purpose in the README.
Offers two methods: `process_in_background` for processing after storage, and `store_in_background` for offloading storage, catering to different deployment needs like Heroku.
Supports adding a database column to track when background processing starts and completes, useful for user notifications, as detailed in the usage section.
Allows overriding background workers for custom error handling or logic, with examples for both Sidekiq and ActiveJob in the README.
The project has officially stopped active maintenance, per the README notice, meaning no future updates, bug fixes, or security patches, posing long-term risks.
The `store_in_background` method requires a centralized, persistent cache directory and careful setup, which can be infrastructure-dependent and error-prone.
Only works with CarrierWave, so it's obsolete if switching to other upload solutions like Active Storage, and integration with newer Rails features may lag.