implement docker

backend/server.js

@@ -10,9 +10,21 @@ const app = express();
 const PORT = process.env.PORT || 3000;
 
 // ─── Middleware ───────────────────────────────────────────────────────────────
+app.set("trust proxy", 1); // Untuk Coolify reverse proxy (Traefik/Nginx)
 app.use(cors());
 app.use(express.json());
 app.use("/api/poverty", povertyRoutes);
+
+// ─── Health Check (dibutuhkan Coolify untuk monitoring container) ─────────────────
+app.get("/health", async (req, res) => {
+  try {
+    await db.execute("SELECT 1");
+    res.json({ status: "ok", db: "connected", timestamp: new Date().toISOString() });
+  } catch (err) {
+    res.status(503).json({ status: "error", db: "disconnected", message: err.message });
+  }
+});
+
 // ─── Root: landing page (harus sebelum express.static) ───────────────────────
 app.get("/", (req, res) => {
   res.sendFile(path.join(__dirname, "../frontend/landing.html"));