This module for the Caddy web server provides support for the Brotli compression format.

It uses the reference implementation of Brotli (written in C), through the Go module provided by Google.

1. Install cbrotli. On Mac run brew install brotli. On Debian and Ubuntu, run apt install libbrotli-dev.

2. Then create your Caddy build:

   CGO_ENABLED=1 \
   xcaddy build \
       --with github.com/dunglas/caddy-cbrotli

   On Mac, be sure to adapt the paths in CGO_LDFLAGS and CGO_CFLAGS according to your Brotli installation:

   CGO_LDFLAGS="-L/opt/homebrew/lib/" \
   CGO_CFLAGS="-I/opt/homebrew/include/" \
   CGO_ENABLED=1 \
   xcaddy build \
       --with github.com/dunglas/caddy-cbrotli

Add the br value to the encode directive in your Caddyfile.

Example:

localhost

encode zstd br gzip

file_server

Alternatively, you can configure the quality (from 0 to 11, defaults to 6) and the base 2 logarithm of the sliding window size (from 10 to 24, defaults to auto):

Example:

localhost

encode {
    br 8 15
}

file_server

This module depends on cgo. If you are looking for a non-cgo (but more CPU-intensive) alternative, see the github.com/ueffel/caddy-brotli module.

Created by Kévin Dunglas and sponsored by Les-Tilleuls.coop.