Add Express static server

server.js

@@ -0,0 +1,36 @@
+// Digital Spaceport Arcade — static server
+// Pure JS. Serves ./public on 0.0.0.0:8099
+const express = require('express');
+const path = require('path');
+
+const app = express();
+const PORT = process.env.PORT || 8099;
+const HOST = process.env.HOST || '0.0.0.0';
+
+app.use(express.static(path.join(__dirname, 'public'), {
+  extensions: ['html'],
+  setHeaders(res, filePath) {
+    if (filePath.endsWith('.html')) {
+      res.setHeader('Cache-Control', 'no-cache');
+    }
+  }
+}));
+
+// Favicon: inline SVG (retro pixel heart)
+app.get('/favicon.ico', (req, res) => {
+  res.type('image/svg+xml').send(
+    '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">'
+    + '<rect x="2" y="3" width="4" height="3" fill="#ff2d95"/>'
+    + '<rect x="10" y="3" width="4" height="3" fill="#ff2d95"/>'
+    + '<rect x="2" y="6" width="12" height="3" fill="#ff2d95"/>'
+    + '<rect x="4" y="9" width="8" height="2" fill="#ff2d95"/>'
+    + '<rect x="6" y="11" width="4" height="2" fill="#ff2d95"/>'
+    + '</svg>'
+  );
+});
+
+app.get('/healthz', (req, res) => res.json({ ok: true, name: 'digital-spaceport-arcade' }));
+
+app.listen(PORT, HOST, () => {
+  console.log(`[dsp-arcade] serving on http://${HOST}:${PORT}`);
+});