12/21/2023 0 Comments Image resizer cdn![]() ![]() ![]() Just make sure to return an image (and make sure it’s the image that the user expects). You can do anything you like in the resizing function. You need to do the actual resizing in the lambda function. So, if you save your image in s3://your-private-bucket/puppy.jpg, you can access it on But it’s marked as Required in the documentation.ĬDN_BUCKET_NAME: $ prefix. …and regarding the Quantity attribute, I don’t know why that’s required. The first one will be the primary origin. Pay attention to the order of those origins. In our case, our primary origin is the “CDN” bucket ( S3Origin) and the secondary origin is our resizing function ( APIGatewayOrigin). Essentially, the CDN will have a secondary origin in case the item does not exist in the primary one. The configuration that makes this thing functional lies in the OriginGroups section. Resize by channel requirements, Improve background quality, Apply watermarks, crop, convert and orientate Rename for SEO. I’m going to talk about the CloudFront distribution (#5) and the resizing function (#6) as the other resources do not have any special stuffs related to the topic. API Gateway + Lambda + IAM Role: our resizing function.Origin Access Identity: an identity for our CloudFront distribution.Bucket Policy for “CDN” bucket: used to only allow our CloudFront distribution to access our files.“CDN” bucket: a place where the resized images live for subsequent accesses.“Private” bucket: a place where you upload your original file. ![]() That template will produce these resources: This eliminates latency and allows you to improve page load times, bolstering your site’s SEO performance. When an image is requested, we resize it, adjust quality, crop/trim, change orientations, convert formats, and more, all on demand. Please refer to this file for a complete reference. Offload image transformation to our powerful edge cloud platform. Now create a serverless.yml file in your root project. We’ll orchestrate our infrastructure using that framework. The first step is to install serverless in an empty NPM project.
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