deployment failed issues solved

Author: prashanth30-n

lib/backend/server.js

@@ -33,7 +33,17 @@ app.use(express.json());
 app.use('/api/posts', PostRoutes);
 // Basic health check route
 app.get('/', (req, res) => {
-  res.status(200).json({ message: 'Backend server is running!', status: 'OK' });
+  res.status(200).json({ 
+    message: 'SkillSocket Backend is running!', 
+    status: 'OK',
+    timestamp: new Date().toISOString(),
+    port: process.env.PORT || 3000
+  });
+});
+
+// Simple ping endpoint for Render health checks
+app.get('/ping', (req, res) => {
+  res.status(200).send('pong');
 });
 
 // Health check endpoint for Docker and monitoring
@@ -100,10 +110,23 @@ app.use('/api/events', eventRoutes);
 // Export io for use in other modules
 module.exports = { io };
 
-const MONGODB_URI = process.env.MONGODB_URI ;
-mongoose.connect(MONGODB_URI)
-  .then(() => console.log("MongoDB connected"))
-  .catch(err => console.error("MongoDB connection error:", err));
+const MONGODB_URI = process.env.MONGODB_URI;
+
+console.log('📊 Connecting to MongoDB...');
+console.log('🔗 MongoDB URI exists:', !!MONGODB_URI);
+
+mongoose.connect(MONGODB_URI, {
+  serverSelectionTimeoutMS: 5000, // Timeout after 5s instead of 30s
+  socketTimeoutMS: 45000, // Close sockets after 45s of inactivity
+})
+  .then(() => {
+    console.log("✅ MongoDB connected successfully");
+    console.log("📊 Database ready state:", mongoose.connection.readyState);
+  })
+  .catch(err => {
+    console.error("❌ MongoDB connection error:", err.message);
+    process.exit(1);
+  });
 
 const onlineUsers = new Map();
 
@@ -197,10 +220,12 @@ io.on('connection', (socket) => {
 const DEFAULT_PORT = parseInt(process.env.PORT, 10) || 3000;
 
 function startServer(port = DEFAULT_PORT) {
-  server.listen(port, () => {
+  server.listen(port, '0.0.0.0', () => {
     console.log(`🚀 Server running on port ${port}`);
+    console.log(`🌍 Server bound to 0.0.0.0:${port}`);
     console.log(`📋 Public upload endpoint: /api/user/upload-logo-public`);
     console.log(`🔒 Authenticated upload endpoint: /api/user/upload-logo`);
+    console.log(`✅ Server ready to accept connections`);
   });
 
   // Handle server errors (for example, EADDRINUSE)
@@ -223,5 +248,39 @@ function startServer(port = DEFAULT_PORT) {
   });
 }
 
+// Graceful shutdown handlers
+process.on('SIGTERM', () => {
+  console.log('🔄 SIGTERM received, shutting down gracefully...');
+  server.close(() => {
+    console.log('✅ Server closed');
+    mongoose.connection.close(false, () => {
+      console.log('✅ MongoDB connection closed');
+      process.exit(0);
+    });
+  });
+});
+
+process.on('SIGINT', () => {
+  console.log('🔄 SIGINT received, shutting down gracefully...');
+  server.close(() => {
+    console.log('✅ Server closed');
+    mongoose.connection.close(false, () => {
+      console.log('✅ MongoDB connection closed');
+      process.exit(0);
+    });
+  });
+});
+
+// Handle uncaught exceptions
+process.on('uncaughtException', (err) => {
+  console.error('💥 Uncaught Exception:', err);
+  process.exit(1);
+});
+
+process.on('unhandledRejection', (reason, promise) => {
+  console.error('💥 Unhandled Rejection at:', promise, 'reason:', reason);
+  process.exit(1);
+});
+
 // Start the server
 startServer();

lib/main.dart

@@ -21,4 +21,4 @@ class MyApp extends StatelessWidget {
       home: const LoadingPage(), // changed from LoginScreen to LoadingPage
     );
   }
-}
+}     

render.yaml

@@ -1,46 +1,35 @@
-# This render.yaml is for reference only
-# Since we're using Docker Hub method, create the service manually in Render dashboard
-
-# Manual Render Setup Instructions:
-# 1. Go to Render Dashboard → New Web Service
-# 2. Choose "Deploy an existing image from a registry"
-# 3. Image URL: docker.io/yourusername/skillsocket-backend:latest
-# 4. Configure as shown below:
-
 services:
   - type: web
     name: skillsocket-backend
-    env: docker
-    # Image will be pulled from Docker Hub automatically
-    image:
-      url: docker.io/yourusername/skillsocket-backend:latest
+    env: node
+    region: oregon
     plan: free
-    region: oregon  # Choose closest to your users
-    healthCheckPath: /api/health
-    # Auto-deploy when new image is pushed to Docker Hub
+    rootDir: lib/backend
+    buildCommand: npm ci --production
+    startCommand: npm start
+    healthCheckPath: /ping
     autoDeploy: true
     envVars:
       - key: NODE_ENV
         value: production
       - key: PORT
-        value: 3000
-      # Add your MongoDB connection string manually in Render dashboard
+        value: 10000
+      # Add these manually in Render dashboard - DO NOT commit real values
       - key: MONGODB_URI
-        value: "mongodb+srv://username:password@cluster.mongodb.net/skillsocket"
-      # Generate a strong JWT secret manually in Render dashboard  
+        sync: false # Set this in Render dashboard manually
       - key: JWT_SECRET
-        value: "your-super-secret-jwt-key-here"
-      # Optional: Add these if you use Cloudinary
+        sync: false # Set this in Render dashboard manually
+      # Optional Cloudinary vars - set in Render dashboard if using
       - key: CLOUDINARY_CLOUD_NAME
-        value: "your-cloudinary-name"
+        sync: false
       - key: CLOUDINARY_API_KEY
-        value: "your-cloudinary-key"
+        sync: false
       - key: CLOUDINARY_API_SECRET
-        value: "your-cloudinary-secret"
-      # Optional: Add these if you use Firebase
+        sync: false
+      # Optional Firebase vars - set in Render dashboard if using
       - key: FIREBASE_PROJECT_ID
-        value: "your-firebase-project-id"
+        sync: false
       - key: FIREBASE_CLIENT_EMAIL
-        value: "your-firebase-client-email"
+        sync: false
       - key: FIREBASE_PRIVATE_KEY
-        value: "your-firebase-private-key"
+        sync: false