feat: install owntracks backend

modules/nixos/bundles/server.nix

@@ -15,6 +15,7 @@
     "miniflux"
     "nginx"
     "ntfy-sh"
+    "owntracks"
     "paperless"
     "prowlarr"
     "qbittorrent"

modules/nixos/features/owntracks.nix

@@ -0,0 +1,39 @@
+{
+  # keep-sorted start
+  lib,
+  pkgs,
+  # keep-sorted end
+  ...
+}:
+let
+  host = "owntracks.fi33.buzz";
+  port = "5014";
+in
+{
+  systemd.services.owntracks = {
+    enable = true;
+    description = "owntracks recorder";
+    serviceConfig = {
+      ExecStart = ''
+        ${pkgs.owntracks-recorder}/bin/ot-recorder \
+           --storage /var/lib/owntracks/recorder/store \
+           --port 0
+           --http-port ${lib.toInt port}
+           --http-host https://${host}
+      '';
+      DynamicUser = true;
+      StateDirectory = "owntracks";
+      Restart = "always";
+    };
+    wantedBy = [ "multi-user.target" ];
+  };
+  services = {
+    # borgbackup.jobs = owntracks { };
+
+    nginx.virtualHosts.${host} = {
+      forceSSL = true;
+      useACMEHost = "fi33.buzz";
+      locations."/".proxyPass = "http://localhost:${port}";
+    };
+  };
+}