nixos-config/config/services/nginx.nix

{ lib, pkgs, ... }:
{
  config = {
    services.nginx = {
      additionalModules = [ pkgs.nginxModules.brotli ];
      clientMaxBodySize = "10g";
      enable = true;
      appendHttpConfig = ''
        brotli on;
        brotli_types
                  application/atom+xml
                  application/javascript
                  application/json
                  application/xml
                  application/xml+rss
                  image/svg+xml
                  text/css
                  text/javascript
                  text/plain
                  text/xml;
        proxy_ssl_protocols TLSv1.2 TLSv1.3;
      '';
      package = pkgs.nginxQuic;
      recommendedGzipSettings = true;
      recommendedOptimisation = true;
      recommendedProxySettings = true;
      resolver.addresses = [ "127.0.0.1" "[::1]" ];
      sslProtocols = "TLSv1.3";
    };
    networking.firewall.allowedTCPPorts = [ 80 443 ];
    networking.firewall.allowedUDPPorts = [ 443 ];
  };

  options.services.nginx.virtualHosts = lib.mkOption {
    type = lib.types.attrsOf (lib.types.submodule {
      config.listenAddresses = lib.mkDefault [
        "0.0.0.0"
        "[::]"
      ];
      config.forceSSL = lib.mkDefault true;
      config.http2 = lib.mkDefault true;
      config.extraConfig = lib.mkDefault ''
        listen 0.0.0.0:443 http3;
        listen [::]:443 http3;
        add_header Alt-Svc 'h3=":443"';
      '';
    });
  };
}