mail.idimitrov.dev/mailserver/nginx/default.nix

{ pkgs, ... }:
{
  services = {
    nginx = {
      enable = true;
      recommendedGzipSettings = true;
      recommendedOptimisation = true;
      recommendedProxySettings = true;
      recommendedTlsSettings = true;
      sslCiphers = "AES256+EECDH:AES256+EDH:!aNULL";
      appendHttpConfig = ''
        map $scheme $hsts_header {
            https   "max-age=31536000; includeSubdomains; preload";
        }
        add_header Strict-Transport-Security $hsts_header;
        add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
        add_header 'Referrer-Policy' 'origin-when-cross-origin';
        add_header X-Frame-Options DENY;
        add_header X-Content-Type-Options nosniff;
      '';
      virtualHosts."idimitrov.dev" = {
        enableACME = true;
        forceSSL = true;
        locations."/" = {
          proxyPass = "http://127.0.0.1:3000";
        };
      };
    };
  };
}