{ ... } @ args: {
  sops.secrets."dotspace/gatus.env".mode = "0664";

  # TODO: https://github.com/NixOS/nixpkgs/issues/415877
  disabledModules = [ "services/monitoring/gatus.nix" ];
  imports = [ "${args.inputs.nixpkgs-unstable}/nixos/modules/services/monitoring/gatus.nix" ];

  services.gatus = {
    enable = true;
    environmentFile = "/run/secrets/dotspace/gatus.env";
    settings = {
      web.port = 18255;

      alerting = {
        discord = {
          webhook-url = "\${GATUS_DISCORD_WEBHOOK}";
          default-alert = {
            send-on-resolved = true;
            description = "\${LAUREN_DISCORD_USERNAME}";
          };
        };
        matrix = {
          server-url = "https://matrix.mlaga97.space";
          access-token = "\${GATUS_MATRIX_TOKEN}";
          internal-room-id = "!hMdNLWZttBQomJhQOC:matrix.mlaga97.space";
          default-alert = {
            send-on-resolved = true;
            description = "@mlaga97:matrix.mlaga97.space";
          };
        };
      };

      maintenance = {
        start = "04:50";
        duration = "30m";
        timezone = "America/Chicago";
      };

      endpoints = [
        {
          name = "1 - Synapse";
          group = "1 - Core Services";
          url = "https://matrix.mlaga97.space/_matrix/federation/v1/version";
          interval = "1m";
          conditions = [
            "[CONNECTED] == true"
            "[STATUS] == 200"
            "has([BODY].server.version) == true"
            "[CERTIFICATE_EXPIRATION] > 48h"
          ];
          alerts = [{ type = "discord"; }];
        }
        {
          name = "2 - Home Assistant";
          group = "1 - Core Services";
          url = "https://homeassistant.mlaga97.space/api/webhook/-k9lg4u3J3_QLO6avhXNG4KZa";
          interval = "1m";
          conditions = [
            "[CONNECTED] == true"
            "[STATUS] == 200"
            "[CERTIFICATE_EXPIRATION] > 48h"
          ];
          alerts = [{ type = "matrix"; }];
        }
        {
          name = "3 - Git";
          group = "1 - Core Services";
          url = "https://git.mlaga97.space/api/healthz";
          interval = "1m";
          conditions = [
            "[CONNECTED] == true"
            "[STATUS] == 200"
            "[BODY].status == pass"
            "[CERTIFICATE_EXPIRATION] > 48h"
          ];
          alerts = [{ type = "matrix"; }];
        }
        {
          name = "1 - redoubt.tinc.mlaga97.space";
          group = "2 - Hosts";
          url = "icmp://10.86.84.107";
          interval = "1m";
          conditions = [ "[CONNECTED] == true" ];
          alerts = [{ type = "matrix"; }];
        }
        {
          name = "2 - bastion.tinc.mlaga97.space";
          group = "2 - Hosts";
          url = "icmp://10.86.84.105";
          interval = "1m";
          conditions = [ "[CONNECTED] == true" ];
          alerts = [{ type = "matrix"; }];
        }
        {
          name = "3 - blockhouse.tinc.mlaga97.space";
          group = "2 - Hosts";
          url = "icmp://10.86.84.104";
          interval = "1m";
          conditions = [ "[CONNECTED] == true" ];
          alerts = [{ type = "matrix"; }];
        }
        {
          name = "2 - matrix.public.koshkee.com";
          group = "3 - Federation";
          url = "https://matrix.public.koshkee.com/_matrix/federation/v1/version";
          interval = "1h";
          conditions = [
            "[CONNECTED] == true"
            "[STATUS] == 200"
            "has([BODY].server.version) == true"
            "[CERTIFICATE_EXPIRATION] > 48h"
          ];
          alerts = [{ type = "matrix"; }];
        }
        {
          name = "1 - matrix.mlaga97.space";
          group = "3 - Federation";
          url = "https://federationtester.matrix.org/api/report?server_name=matrix.mlaga97.space";
          interval = "1h";
          conditions = [
            "[CONNECTED] == true"
            "[STATUS] == 200"
            "[BODY].FederationOK == true"
            "has([BODY].WellKnownResult.result) == false"
          ];
          alerts = [{ type = "matrix"; }];
        }
      ];
    };
  };
}