nix-config/modules/nginx.nix

{ pkgs, config, lib, ... }: {
  security.acme.acceptTerms = true;
  security.acme.email = "dump-dvb@protonmail.com";
  services.nginx = {
    recommendedTlsSettings = true;
    recommendedOptimisation = true;
    recommendedGzipSettings = true;
    commonHttpConfig = ''
      # Permissions Policy - gps only
      add_header Permissions-Policy "geolocation=()";

      # Minimize information leaked to other domains
      add_header 'Referrer-Policy' 'origin-when-cross-origin';

      # Disable embedding as a frame
      add_header X-Frame-Options DENY;

      # Prevent injection of code in other mime types (XSS Attacks)
      add_header X-Content-Type-Options nosniff;

      # Enable XSS protection of the browser.
      # May be unnecessary when CSP is configured properly (see above)
      add_header X-XSS-Protection "1; mode=block";

      # STS
      add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    '';
  };
}