First demo

server.ts

@@ -0,0 +1,66 @@
+import { serve } from "bun";
+
+const port = Number(process.env.PORT ?? "3000");
+
+function contentType(pathname: string): string | undefined {
+  if (pathname.endsWith(".html")) return "text/html; charset=utf-8";
+  if (pathname.endsWith(".css")) return "text/css; charset=utf-8";
+  if (pathname.endsWith(".js")) return "application/javascript; charset=utf-8";
+  if (pathname.endsWith(".mjs")) return "application/javascript; charset=utf-8";
+  if (pathname.endsWith(".json")) return "application/json; charset=utf-8";
+  if (pathname.endsWith(".svg")) return "image/svg+xml";
+  if (pathname.endsWith(".png")) return "image/png";
+  if (pathname.endsWith(".jpg") || pathname.endsWith(".jpeg")) return "image/jpeg";
+  if (pathname.endsWith(".webp")) return "image/webp";
+  if (pathname.endsWith(".ico")) return "image/x-icon";
+  if (pathname.endsWith(".woff")) return "font/woff";
+  if (pathname.endsWith(".woff2")) return "font/woff2";
+  if (pathname.endsWith(".txt")) return "text/plain; charset=utf-8";
+  return undefined;
+}
+
+const distDir = `${process.cwd()}/dist`;
+
+serve({
+  port,
+  async fetch(req) {
+    const url = new URL(req.url);
+
+    // Normalize paths
+    let pathname = decodeURIComponent(url.pathname);
+
+    // Default document
+    if (pathname === "/") pathname = "/index.html";
+
+    const filePath = `${distDir}${pathname}`;
+
+    // Try direct file first
+    let file = Bun.file(filePath);
+    if (!(await file.exists())) {
+      // If request is for a "route", serve index.html (SPA-ish fallback)
+      // Astro static pages typically exist as real files, but this fallback helps
+      // if you add client-side routing later.
+      file = Bun.file(`${distDir}/index.html`);
+      if (!(await file.exists())) {
+        return new Response("Not Found", { status: 404 });
+      }
+    }
+
+    const headers = new Headers();
+    const ct = contentType(pathname);
+    if (ct) headers.set("Content-Type", ct);
+
+    // Cache policy:
+    // - HTML: no-cache (so updates show quickly)
+    // - assets: cache long (Astro fingerprints assets by default)
+    if (pathname.endsWith(".html")) {
+      headers.set("Cache-Control", "no-cache");
+    } else {
+      headers.set("Cache-Control", "public, max-age=31536000, immutable");
+    }
+
+    return new Response(file, { headers });
+  }
+});
+
+console.log(`Serving dist on http://0.0.0.0:${port}`);