fix: remove slow brotli compression and use optimized gzip middleware #968
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Motivation and Context
This PR removes brotli compression support due to the very slow go implementation. Caddy the popular proxy solution made a similar decision. We will evaluate
zstd
as a possible alternative in the future. For now only gzip is supported in the router. I also migrated to https://github.com/klauspost/compress/tree/master/gzhttp which is an optimized compression middleware for gzip. In my test the implementation was 100% faster than the current gzip middleware from chi.TODO