Merge remote changes with CI/CD pipeline additions

Resolved minor conflict in rate limiting comment.
Maintains CI/CD deployment setup with latest backend changes.

src/index.ts

@@ -11,19 +11,17 @@ import { recoverRouter } from "./routes/recover.js";
 import { billingRouter } from "./routes/billing.js";
 import { emailChangeRouter } from "./routes/email-change.js";
 import { authMiddleware } from "./middleware/auth.js";
-import { usageMiddleware } from "./middleware/usage.js";
+import { usageMiddleware, loadUsageData } from "./middleware/usage.js";
 import { getUsageStats } from "./middleware/usage.js";
 import { pdfRateLimitMiddleware, getConcurrencyStats } from "./middleware/pdfRateLimit.js";
 import { initBrowser, closeBrowser } from "./services/browser.js";
 import { loadKeys, getAllKeys } from "./services/keys.js";
-import { verifyToken } from "./services/verification.js";
+import { verifyToken, loadVerifications } from "./services/verification.js";
+import { initDatabase } from "./services/db.js";
 
 const app = express();
 const PORT = parseInt(process.env.PORT || "3100", 10);
 
-// Load API keys from persistent store
-loadKeys();
-
 app.use(helmet({ crossOriginResourcePolicy: { policy: "cross-origin" } }));
 
 // Differentiated CORS middleware
@@ -34,10 +32,8 @@ app.use((req, res, next) => {
                              req.path.startsWith('/v1/email-change');
   
   if (isAuthBillingRoute) {
-    // Auth/billing routes: restrict to docfast.dev
     res.setHeader("Access-Control-Allow-Origin", "https://docfast.dev");
   } else {
-    // Conversion API routes: allow all origins
     res.setHeader("Access-Control-Allow-Origin", "*");
   }
   
@@ -174,6 +170,14 @@ app.get("/api", (_req, res) => {
 });
 
 async function start() {
+  // Initialize PostgreSQL
+  await initDatabase();
+  
+  // Load data from PostgreSQL
+  await loadKeys();
+  await loadVerifications();
+  await loadUsageData();
+  
   await initBrowser();
   console.log(`Loaded ${getAllKeys().length} API keys`);
   app.listen(PORT, () => console.log(`DocFast API running on :${PORT}`));