backtone.example.com {

    tls {
        protocols tls1.3
    }

    log {
        output file /tmp/caddy-backtone.log {
            roll_size 2MiB
            roll_keep 3
            roll_keep_for 24h
        }
        level INFO
    }

    root * /path/to/feeds/directory
    encode gzip
    file_server

    php_fastcgi 127.0.0.1:9000

}