Merge pull request #11 from spec-nith/TaskAllocated-Page

Fixed MongoDB error, BackEnd running

Author: spec-nith

backend/config/db.js

@@ -1,19 +1,30 @@
 const mongoose = require("mongoose");
 
-const Connection = async (username, password) => {
+const Connection = async () => {
     console.log('Environment check:');
     console.log('DB_USERNAME exists:', !!process.env.DB_USERNAME);
     console.log('DB_PASSWORD exists:', !!process.env.DB_PASSWORD);
-    console.log('MONGODB_URI exists:', !!process.env.MONGODB_URI);
+    console.log('MONGODB_URI exists:', !!process.env.MONGO_URI);
 
-    const URL = process.env.MONGODB_URI;
+
+    if (!process.env.MONGO_URI) {
+        throw new Error('MONGO_URI is not defined in environment variables');
+    }
+    if (!process.env.DB_USERNAME || !process.env.DB_PASSWORD) {
+        throw new Error('DB_USERNAME or DB_PASSWORD is not defined in environment variables');
+    }
 
+
+    const mongoURI = process.env.MONGO_URI
+        .replace("<username>", process.env.DB_USERNAME)
+        .replace("<password>", process.env.DB_PASSWORD);
+
     // Log the connection URL (with masked password)
-    const maskedURL = URL.replace(/:([^@]+)@/, ':****@');
+    const maskedURL = mongoURI.replace(/:([^@]+)@/, ':****@');
     console.log('Attempting to connect with URL:', maskedURL);
 
     try {
-        await mongoose.connect(URL, {
+        await mongoose.connect(mongoURI, {
             serverSelectionTimeoutMS: 30000,
             socketTimeoutMS: 60000,
             maxPoolSize: 10