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path: root/config/services/mesh/default.nix
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{
  config,
  lib,
  ...
}: let
  cfg = config.services.headscale;
  url = "mesh.${config.networking.domain}";
in {
  networking.firewall.allowedUDPPorts = [3478];

  services.headscale = {
    enable = true;
    port = 8001;
    settings = {
      server_url = "https://${url}:443";
      derps = {
        server = {
          enabled = true;
          stun_listen_addr = "0.0.0.0:3478";
        };
        urls = [];
      };
      dns.base_domain = "aristote.mesh";
    };
  };

  services.nginx.virtualHosts.mesh = lib.mkIf cfg.enable {
    serverName = "${url}";
    forceSSL = true;
    enableACME = true;
    locations."/" = {
      proxyPass = "http://${cfg.address}:${toString cfg.port}";
      proxyWebsockets = true;
      extraConfig = ''
        proxy_set_header Host $server_name;
        proxy_redirect http:// https://;
        proxy_buffering off;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        add_header Strict-Transport-Security "max-age=15552000; includeSubDomains" always;
      '';
    };
  };

  services.tailscale = {
    enable = true;
    openFirewall = true;
    disableTaildrop = true;
  };
}