Great writeup. Do you plan to update your Kamal handbook to version 2?
Related discussion: https://news.ycombinator.com/item?id=41608350
I'm currently using Traefik for compression (gzip, brotli, …) does Kamal-Proxy handle that as well or do Rails apps handle compression somewhere else?
Does it support http/3?
Makes sense ... most languages have solid libraries to work with HTTP, which can eliminate the need for a third-party standalone proxy. A DIY solution sounds nice as it could be customized to meet any specific (and/or crazy :-p) features required.
Here's a C# project in the same vein: [1].
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1: https://github.com/microsoft/reverse-proxy/tree/main/samples...