diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..a2fc36e
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,36 @@
+/**
+ * SimpleNote Web - Entry Point
+ * Document management API with nested libraries and markdown support
+ */
+
+import express from 'express';
+import { fileURLToPath } from 'url';
+import { dirname, join } from 'path';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const app = express();
+const PORT = process.env.PORT || 3000;
+
+// Middleware
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+
+// Health check
+app.get('/health', (req, res) => {
+  res.json({ status: 'ok', timestamp: new Date().toISOString() });
+});
+
+// TODO: Routes
+// - /api/documents
+// - /api/libraries
+// - /api/tags
+// - /api/auth
+
+// Start server
+app.listen(PORT, () => {
+  console.log(`SimpleNote Web running on port ${PORT}`);
+});
+
+export default app;