problematic.rb

if Rails.env.development?

  s3_options = {
    access_key_id:     'abc',
    secret_access_key: '123',
    region:            'my-region',
    bucket:            'my-bucket',
    endpoint:       'http://localhost:4567/',
    force_path_style: true
  }

  Shrine.storages = {
    cache: Shrine::Storage::FileSystem.new(Dir.tmpdir, prefix: 'foo'),
    store: Shrine::Storage::S3.new(prefix: 'bar', s3_options)
  }
else

  Shrine.storages = {
    # Lorem ipsum
    cache: Shrine::Storage::FileSystem.new('/storage', prefix: 'foo'),
    store: Shrine::Storage::S3.new(prefix: 'bar', **s3_options)
  }

  s3_options = {
    access_key_id:     Rails.application.secrets.AWS_ACCESS_KEY_ID,
    secret_access_key: Rails.application.secrets.AWS_SECRET_ACCESS_KEY,
    region:            Rails.application.secrets.AWS_REGION,
    bucket:            Rails.application.secrets.AWS_BUCKET_NAME
  }

end