feat: add wynne.rs service, add nodejs/pnpm to system packages

hosts/lab/default.nix

@@ -6,6 +6,7 @@
     ./foundry.nix
     ./dokuwiki.nix
     ./forgejo.nix
+    ./wynne.nix
   ];
 
   networking.hostName = "lab";

hosts/lab/wynne.nix

@@ -0,0 +1,40 @@
+{ pkgs, ... }:
+let
+  port = 4322;
+  dataDir = "/srv/wynne";
+in
+{
+  services.caddy.virtualHosts."wynne.rs" = {
+    extraConfig = ''
+      reverse_proxy localhost:${toString port}
+      encode zstd gzip
+    '';
+  };
+
+  systemd.services.wynne = {
+    description = "wynne.rs";
+    after = [ "network.target" ];
+    wantedBy = [ "multi-user.target" ];
+    environment = {
+      HOST = "127.0.0.1";
+      PORT = toString port;
+      ASTRO_DATABASE_FILE = "${dataDir}/data/guestbook.db";
+    };
+    serviceConfig = {
+      Type = "simple";
+      WorkingDirectory = "${dataDir}/repo";
+      ExecStart = "${pkgs.nodejs}/bin/node dist/server/entry.mjs";
+      Restart = "on-failure";
+      User = "wynne";
+      Group = "wynne";
+      ReadWritePaths = [ "${dataDir}/data" ];
+    };
+  };
+
+  users.users.wynne = {
+    isSystemUser = true;
+    group = "wynne";
+    home = dataDir;
+  };
+  users.groups.wynne = {};
+}