Image Server

Cloudfront limit

cloudfront only can control 'origin' and only can set on 'public' place. which means cloudfront do not have 'authentication' mechanism. but with AWS Lambda you can use lambda@edge.

• https://aws.amazon.com/blogs/networking-and-content-delivery/authorizationedge-how-to-use-lambdaedge-and-json-web-tokens-to-enhance-web-application-security/

Authorization@Edge – How to Use Lambda@Edge and JSON Web Tokens to Enhance Web Application Security | Amazon Web ServicesAmazon Web Services

• https://www.shaunpoore.com/best-image-format-for-web/

• https://caniuse.com/avif

• https://caniuse.com/?search=webp

Opensource

• https://github.com/lovell/sharp

Sharp

• Can we get height and width of image using sharp?

Polyfill

• https://github.com/chase-moskal/webp-hero

Reference

Building well-architected serverless applications: Regulating inbound request rates – part 1 | Amazon Web ServicesAmazon Web Services

Webp VS AVIF

• https://www.ctrl.blog/entry/webp-avif-comparison.html

• https://www.reddit.com/r/AV1/comments/jp9w41/why_webdevelopers_should_use_avif_comparison/

https://caniuse.com/?search=webp

https://caniuse.com/?search=avif