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path: root/modules/nixos/server/nginx/default.nix
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{
  config,
  lib,
  ...
}:
let
  inherit (lib)
    mkEnableOption
    mkOption
    types
    mkIf
    ;
  cfg = config.nx.server.nginx;
in
{
  options.nx.server.nginx = {
    enable = mkEnableOption "nginx reverse proxy" // {
      default = true;
    };
    hostName = mkOption {
      description = "url of server";
      type = types.str;
      default = "schererleander.de";
    };
    sslCertificate = mkOption {
      description = "ssl certificate to use";
      type = types.nullOr types.str;
      default = "/etc/ssl/${cfg.hostName}/fullchain.pem";
    };
    sslCertificateKey = mkOption {
      description = "ssl certificate key to use";
      type = types.nullOr types.str;
      default = "/etc/ssl/${cfg.hostName}/privkey.key";
    };
  };
  config = mkIf cfg.enable {
    services.nginx = {
      enable = true;
      recommendedGzipSettings = true;
      recommendedOptimisation = true;
      recommendedProxySettings = true;
      recommendedTlsSettings = true;
      appendHttpConfig = ''
        map $scheme $hsts_header {
            https   "max-age=31536000; includeSubdomains; preload";
        }
        add_header Strict-Transport-Security $hsts_header;
        #add_header Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data:; font-src 'self'; connect-src 'self'; object-src 'none'; frame-ancestors 'none'; base-uri 'self';" always;
        add_header 'Referrer-Policy' 'same-origin';
        add_header X-Frame-Options DENY;
        add_header X-Content-Type-Options nosniff;
      '';
    };
    networking.firewall.allowedTCPPorts = [
      80
      443
    ];
  };
}