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    mihaic195 said almost 3 years ago on Active Storage Uploads Behind a CDN :
    Doesn't seem to be working for variants... but for regular ActiveStorage it's fine.
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    David Kimura PRO said almost 3 years ago on Active Storage Uploads Behind a CDN :
     ☒ Do you see any errors in the console? What isn't working? Are you getting errors and the image won't display? You may need to install the imagemagick library for the variants.
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    mihaic195 said almost 3 years ago on Active Storage Uploads Behind a CDN :
     ☒ with Variants, the link looks like this:  
    variants/rsoao6al0qs6i7ufbzm5x2nw4hr1/cabe6e2a3218e12456787572cfb5ee71459383cdd72e19a0f5bacea3b3987208
    which yields a 403 from Cloudfront. 
    I have the image_processing gem installed.
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    David Kimura PRO said almost 3 years ago on Active Storage Uploads Behind a CDN :
     ☒ On, S3, can you verify within the bucket that the variant was created?
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    David Kimura PRO said almost 3 years ago on Active Storage Uploads Behind a CDN :
    Also, try adding this to the CORS Configuration within the S3 Bucket



    <?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<CORSRule>
    <AllowedOrigin>*</AllowedOrigin>
    <AllowedMethod>GET</AllowedMethod>
    <AllowedMethod>HEAD</AllowedMethod>
    <AllowedHeader>*</AllowedHeader>
</CORSRule>
</CORSConfiguration>

    After a few minutes, if you find this working, you can then start narrowing down the CORS rules if needed. 
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    mihaic195 said almost 3 years ago on Active Storage Uploads Behind a CDN :
    Indeed the variants are missing from S3
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    David Kimura PRO said almost 3 years ago on Active Storage Uploads Behind a CDN :
    That's strange. Check your application logs to see what's going on.
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    mihaic195 said almost 3 years ago on Active Storage Uploads Behind a CDN :
    Based on the Rails Documentation from https://api.rubyonrails.org/classes/ActiveStorage/Variant.html
    all I had to do is call processed on the image to create the variant, which is still weird to me. Now the CDN link also works.
    Thank you!

    <%= image_tag cdn_url(@user.avatar.variant(resize_to_limit: [100, 100]).processed)
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