fix(landing): BUG-045 — Pro tier says Unlimited instead of 10,000 PDFs

The Pro tier has no limit in code (unlimited). Fixed landing page copy
and JSON-LD structured data to match.

public/favicon.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><text y=".9em" font-size="90">⚡</text></svg>

public/index.html

@@ -17,7 +17,7 @@
 <link rel="preconnect" href="https://fonts.googleapis.com">
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 <script type="application/ld+json">
-{"@context":"https://schema.org","@type":"SoftwareApplication","name":"DocFast","url":"https://docfast.dev","applicationCategory":"DeveloperApplication","operatingSystem":"Web","description":"Convert HTML and Markdown to beautiful PDFs with a simple API call. Fast, reliable, developer-friendly.","offers":[{"@type":"Offer","price":"0","priceCurrency":"EUR","name":"Free","description":"100 PDFs/month"},{"@type":"Offer","price":"9","priceCurrency":"EUR","name":"Pro","description":"10,000 PDFs/month","billingIncrement":"P1M"}]}
+{"@context":"https://schema.org","@type":"SoftwareApplication","name":"DocFast","url":"https://docfast.dev","applicationCategory":"DeveloperApplication","operatingSystem":"Web","description":"Convert HTML and Markdown to beautiful PDFs with a simple API call. Fast, reliable, developer-friendly.","offers":[{"@type":"Offer","price":"0","priceCurrency":"EUR","name":"Free","description":"100 PDFs/month"},{"@type":"Offer","price":"9","priceCurrency":"EUR","name":"Pro","description":"Unlimited PDF conversions","billingIncrement":"P1M"}]}
 </script>
 <link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>⚡</text></svg>">
 <style>
@@ -404,7 +404,7 @@ html, body {
         <div class="price-amount">€9<span> /mo</span></div>
         <div class="price-desc">For production apps and businesses</div>
         <ul class="price-features">
-          <li>10,000 PDFs per month</li>
+          <li>Unlimited PDF conversions</li>
           <li>All conversion endpoints</li>
           <li>All templates included</li>
           <li>Priority support</li>

public/sitemap.xml

@@ -2,4 +2,7 @@
 <urlset xmlns="http://www.sitemapns.org/schemas/sitemap/0.9">
   <url><loc>https://docfast.dev/</loc><lastmod>2026-02-16</lastmod><changefreq>weekly</changefreq><priority>1.0</priority></url>
   <url><loc>https://docfast.dev/docs</loc><lastmod>2026-02-16</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
+  <url><loc>https://docfast.dev/impressum</loc><lastmod>2026-02-16</lastmod><changefreq>monthly</changefreq><priority>0.3</priority></url>
+  <url><loc>https://docfast.dev/privacy</loc><lastmod>2026-02-16</lastmod><changefreq>monthly</changefreq><priority>0.3</priority></url>
+  <url><loc>https://docfast.dev/terms</loc><lastmod>2026-02-16</lastmod><changefreq>monthly</changefreq><priority>0.3</priority></url>
 </urlset>

src/index.ts

@@ -20,7 +20,7 @@ import { pdfRateLimitMiddleware, getConcurrencyStats } from "./middleware/pdfRat
 import { initBrowser, closeBrowser } from "./services/browser.js";
 import { loadKeys, getAllKeys } from "./services/keys.js";
 import { verifyToken, loadVerifications } from "./services/verification.js";
-import { initDatabase } from "./services/db.js";
+import { initDatabase, pool } from "./services/db.js";
 
 const app = express();
 const PORT = parseInt(process.env.PORT || "3100", 10);
@@ -172,6 +172,14 @@ ${apiKey ? `
 
 // Landing page
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+// Favicon route
+app.get("/favicon.ico", (_req, res) => {
+  res.setHeader('Content-Type', 'image/svg+xml');
+  res.setHeader('Cache-Control', 'public, max-age=604800');
+  res.sendFile(path.join(__dirname, "../public/favicon.svg"));
+});
+
 app.use(express.static(path.join(__dirname, "../public"), { 
   maxAge: "1d", 
   etag: true,
@@ -298,15 +306,48 @@ async function start() {
   
   await initBrowser();
   logger.info(`Loaded ${getAllKeys().length} API keys`);
-  app.listen(PORT, () => logger.info(`DocFast API running on :${PORT}`));
+  const server = app.listen(PORT, () => logger.info(`DocFast API running on :${PORT}`));
 
-  const shutdown = async () => {
-    logger.info("Shutting down...");
-    await closeBrowser();
+  let shuttingDown = false;
+  const shutdown = async (signal: string) => {
+    if (shuttingDown) return;
+    shuttingDown = true;
+    logger.info(`Received ${signal}, starting graceful shutdown...`);
+
+    // 1. Stop accepting new connections, wait for in-flight requests (max 10s)
+    await new Promise<void>((resolve) => {
+      const forceTimeout = setTimeout(() => {
+        logger.warn("Forcing server close after 10s timeout");
+        resolve();
+      }, 10_000);
+      server.close(() => {
+        clearTimeout(forceTimeout);
+        logger.info("HTTP server closed (all in-flight requests completed)");
+        resolve();
+      });
+    });
+
+    // 2. Close Puppeteer browser pool
+    try {
+      await closeBrowser();
+      logger.info("Browser pool closed");
+    } catch (err) {
+      logger.error({ err }, "Error closing browser pool");
+    }
+
+    // 3. Close PostgreSQL connection pool
+    try {
+      await pool.end();
+      logger.info("PostgreSQL pool closed");
+    } catch (err) {
+      logger.error({ err }, "Error closing PostgreSQL pool");
+    }
+
+    logger.info("Graceful shutdown complete");
     process.exit(0);
   };
-  process.on("SIGTERM", shutdown);
-  process.on("SIGINT", shutdown);
+  process.on("SIGTERM", () => shutdown("SIGTERM"));
+  process.on("SIGINT", () => shutdown("SIGINT"));
 }
 
 start().catch((err) => {