Rails 7, ActiveStorage and Spaces.

I am hitting a Aws::S3::Errors::NoSuchBucket. error when attempting to upload a file via a Rails 7.0.1 app with ruby 3.1 installed.

This is unexpected given the rails documentation and indications given here in a community tutorial


gem "image_processing", "~> 1.2"
gem 'aws-sdk-s3', '~> 1.111', '>= 1.111.1'


#  config.active_storage.service = :local
  config.active_storage.service = :digitalocean


  service: Disk
  root: <%= Rails.root.join("tmp/storage") %>

  service: Disk
  root: <%= Rails.root.join("storage") %>

  service: S3
  access_key_id: <%= Rails.application.credentials.dig(:digitalocean, :access_key) %>
  secret_access_key: <%= Rails.application.credentials.dig(:digitalocean, :secret) %>
  region: unused

I’ve seen very old discussions about buckets on European S3 infrastruture which do not pan out - or require a 1 character change in the namespace, but that seems both dated and flaky.

The error occurs as the S3 SDK is being invoked and logged as

  ↳ app/controllers/articles_controller.rb:27:in `block in create'
  S3 Storage (241.5ms) Uploaded file to key: [obfuscate] (checksum: [obfuscate])
Completed 500 Internal Server Error in 355ms (ActiveRecord: 15.4ms | Allocations: 62307)

Aws::S3::Errors::NoSuchBucket (Aws::S3::Errors::NoSuchBucket):

What is wrong with the above?

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Bobby Iliev
Site Moderator
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January 19, 2022
Accepted Answer

Hi there,

Have you tried specifying only the name of the space itself rather than the whole FQDN:

  bucket: static-images-reflektor

Let me know how this goes. Best, Bobby

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