From 6f4163531ff111b84e4791642ae2f6981d7139f4 Mon Sep 17 00:00:00 2001
From: drb101005 <drb101005@gmail.com>
Date: Mon, 18 May 2026 01:29:59 +0530
Subject: [PATCH 1/2] chore(backend): replace console.log with winston logger

---
 backend/logger.js    | 16 ++++++++++++++++
 backend/package.json |  2 +-
 backend/server.js    |  8 +++++---
 3 files changed, 22 insertions(+), 4 deletions(-)
 create mode 100644 backend/logger.js

diff --git a/backend/logger.js b/backend/logger.js
new file mode 100644
index 0000000..a2fe4a2
--- /dev/null
+++ b/backend/logger.js
@@ -0,0 +1,16 @@
+const { createLogger, format, transports } = require('winston');
+const { combine, timestamp, printf, colorize } = format;
+
+const logFormat = printf(({ level, message, timestamp, stack }) => {
+  return `${timestamp} ${level}: ${stack || message}`;
+});
+
+const logger = createLogger({
+  level: process.env.LOG_LEVEL || (process.env.NODE_ENV === 'production' ? 'info' : 'debug'),
+  format: combine(timestamp(), logFormat),
+  transports: [
+    new transports.Console({ format: combine(colorize(), timestamp(), logFormat) }),
+  ],
+});
+
+module.exports = logger;
diff --git a/backend/package.json b/backend/package.json
index 38e15b8..74ab9dd 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -6,7 +6,6 @@
     "dev": "nodemon server.js",
     "start": "node server.js",
     "test": "jasmine spec/**/*.spec.cjs"
-
   },
   "keywords": [],
   "author": "",
@@ -22,6 +21,7 @@
     "mongoose": "^8.8.2",
     "passport": "^0.7.0",
     "passport-local": "^1.0.0",
+    "winston": "^3.19.0",
     "zod": "^4.4.3"
   },
   "devDependencies": {
diff --git a/backend/server.js b/backend/server.js
index 3f19f00..5668e9a 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -9,6 +9,8 @@ const cors = require('cors');
 // Passport configuration
 require('./config/passportConfig');
 
+const logger = require('./logger');
+
 const app = express();
 
 // CORS configuration
@@ -30,10 +32,10 @@ app.use('/api/auth', authRoutes);
 
 // Connect to MongoDB
 mongoose.connect(process.env.MONGO_URI, {}).then(() => {
-    console.log('Connected to MongoDB');
+    logger.info('Connected to MongoDB');
     app.listen(process.env.PORT, () => {
-        console.log(`Server running on port ${process.env.PORT}`);
+        logger.info(`Server running on port ${process.env.PORT}`);
     });
 }).catch((err) => {
-    console.log('MongoDB connection error:', err);
+    logger.error('MongoDB connection error', { message: err.message, stack: err.stack });
 });

From 08b209290d7d2bddadab539168e7c92ebdbb5941 Mon Sep 17 00:00:00 2001
From: drb101005 <drb101005@gmail.com>
Date: Mon, 18 May 2026 02:00:10 +0530
Subject: [PATCH 2/2] fix(backend): preserve message in logs and use proper
 Winston error format

---
 backend/logger.js | 9 +++++----
 backend/server.js | 2 +-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/backend/logger.js b/backend/logger.js
index a2fe4a2..2fe3cd8 100644
--- a/backend/logger.js
+++ b/backend/logger.js
@@ -1,15 +1,16 @@
 const { createLogger, format, transports } = require('winston');
-const { combine, timestamp, printf, colorize } = format;
+const { combine, timestamp, printf, colorize, errors } = format;
 
 const logFormat = printf(({ level, message, timestamp, stack }) => {
-  return `${timestamp} ${level}: ${stack || message}`;
+  const stackTrace = stack ? `\n${stack}` : '';
+  return `${timestamp} ${level}: ${message}${stackTrace}`;
 });
 
 const logger = createLogger({
   level: process.env.LOG_LEVEL || (process.env.NODE_ENV === 'production' ? 'info' : 'debug'),
-  format: combine(timestamp(), logFormat),
+  format: combine(errors({ stack: true }), timestamp(), logFormat),
   transports: [
-    new transports.Console({ format: combine(colorize(), timestamp(), logFormat) }),
+    new transports.Console({ format: combine(errors({ stack: true }), colorize(), timestamp(), logFormat) }),
   ],
 });
 
diff --git a/backend/server.js b/backend/server.js
index 5668e9a..e9b43f8 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -37,5 +37,5 @@ mongoose.connect(process.env.MONGO_URI, {}).then(() => {
         logger.info(`Server running on port ${process.env.PORT}`);
     });
 }).catch((err) => {
-    logger.error('MongoDB connection error', { message: err.message, stack: err.stack });
+    logger.error('MongoDB connection error', err);
 });