perf: optimize backend auth performance (#25)

server/config/nodeMailer.js

@@ -6,6 +6,8 @@ const transporter = nodemailer.createTransport({
   host: "smtp-relay.brevo.com",
   port: 587,
   secure: false, // Must be false for port 587
+  pool: true,
+  maxConnections: 5,
   auth: {
     user: process.env.SMTP_USER,
     pass: process.env.SMTP_PASS,

server/controllers/authControllers.js

@@ -41,9 +41,10 @@ export const register = async (req, res) => {
       subject: "Welcome to MeetOnMemory!",
       text: `Welcome to MeetOnMemory, ${name}! Your account has been successfully created.`,
     };
-    await transporter.sendMail(mailOptions);
+    res.json({ success: true, message: "Registration successful" });
 
-    return res.json({ success: true, message: "Registration successful" });
+    transporter.sendMail(mailOptions).catch((err) => {
+      console.error("Welcome email failed to send:", err.message);  });
   } catch (error) {
     console.error("Register error:", error);
     res.json({ success: false, message: error.message });

server/middleware/userAuth.js

@@ -3,18 +3,10 @@ import userModel from "../models/userModel.js";
 
 const userAuth = async (req, res, next) => {
   try {
-    console.log("=================================");
-    console.log("Origin:", req.headers.origin);
-    console.log("Cookies:", req.cookies);
-    console.log("Authorization:", req.headers.authorization);
-    console.log("=================================");
-
     const token =
       req.cookies?.token ||
       req.header("Authorization")?.replace("Bearer ", "");
 
-    console.log("Token Found:", token ? "YES" : "NO");
-
     if (!token) {
       return res.status(401).json({
         success: false,
@@ -24,9 +16,7 @@ const userAuth = async (req, res, next) => {
 
     const decoded = jwt.verify(token, process.env.JWT_SECRET);
 
-    console.log("Decoded JWT:", decoded);
-
-    const user = await userModel.findById(decoded.id).select("-password");
+    const user = await userModel.findById(decoded.id).select("-password").lean();
 
     if (!user) {
       return res.status(404).json({
@@ -48,4 +38,4 @@ const userAuth = async (req, res, next) => {
   }
 };
 
-export default userAuth;
+export default userAuth;

server/server.js

@@ -100,16 +100,6 @@ app.use("/api/policies", policyRoutes);
 app.use("/api/analytics", analyticsRoutes);
 app.use("/api/gemini", geminiRoutes);
 
-// ================================
-// VECTOR STORE INIT
-// ================================
-try {
-  await initVectorStore();
-  console.log("✅ Vector store initialized");
-} catch (error) {
-  console.error("⚠️ Vector store initialization failed:", error.message);
-}
-
 // ================================
 // START SERVER
 // ================================
@@ -118,6 +108,15 @@ const server = app.listen(PORT, () => {
   console.log(`🌐 Allowed Origins: ${allowedOrigins.join(", ")}`);
 });
 
+// ================================
+// VECTOR STORE INIT (non-blocking)
+// ================================
+initVectorStore()
+  .then(() => console.log("✅ Vector store initialized"))
+  .catch((error) => {
+    console.error("⚠️ Vector store initialization failed:", error.message);
+  });
+
 // ================================
 // SOCKET.IO
 // ================================
@@ -158,4 +157,4 @@ process.on("SIGINT", () => {
   server.close(() => {
     process.exit(0);
   });
-});
+});