fix: resolve MongoDB connection and port configuration issues

- Added dotenv configuration for environment variables
- Fixed MongoDB connection string loading
- Configured server port to 3005
- Updated cron jobs for expired messages

utils/otpExpiry.js

@@ -1,16 +1,16 @@
-const OTP_VALID_MS = 3 * 60 * 1000
-
-const isOtpExpired = (user) => {
-  if (!user?.otp) return true
-  if (!user?.otpSentAt) return false
-  return Date.now() - new Date(user.otpSentAt).getTime() > OTP_VALID_MS
-}
-
-const clearOtp = (UserModel, mobile) =>
-  UserModel.updateOne({ mobile }, { $set: { otp: null, otpSentAt: null } })
-
-module.exports = {
-  OTP_VALID_MS,
-  isOtpExpired,
-  clearOtp
-}
+const OTP_VALID_MS = 3 * 60 * 1000
+
+const isOtpExpired = (user) => {
+  if (!user?.otp) return true
+  if (!user?.otpSentAt) return false
+  return Date.now() - new Date(user.otpSentAt).getTime() > OTP_VALID_MS
+}
+
+const clearOtp = (UserModel, mobile) =>
+  UserModel.updateOne({ mobile }, { $set: { otp: null, otpSentAt: null } })
+
+module.exports = {
+  OTP_VALID_MS,
+  isOtpExpired,
+  clearOtp
+}