Initial commit

server/index.js

@@ -0,0 +1,95 @@
+const express = require('express');
+const cors = require('cors');
+const helmet = require('helmet');
+const morgan = require('morgan');
+const compression = require('compression');
+const rateLimit = require('express-rate-limit');
+const { createServer } = require('http');
+const { Server } = require('socket.io');
+require('dotenv').config();
+
+const { sequelize } = require('./models');
+const routes = require('./routes');
+const { initializeSocketHandlers } = require('./services/socketService');
+const errorHandler = require('./middleware/errorHandler');
+
+const app = express();
+const server = createServer(app);
+const io = new Server(server, {
+  cors: {
+    origin: process.env.CORS_ORIGIN || "http://localhost:3000",
+    methods: ["GET", "POST", "PUT", "DELETE"]
+  }
+});
+
+// Rate limiting
+const limiter = rateLimit({
+  windowMs: parseInt(process.env.RATE_LIMIT_WINDOW_MS) || 15 * 60 * 1000, // 15 minutes
+  max: parseInt(process.env.RATE_LIMIT_MAX_REQUESTS) || 100,
+  message: 'Too many requests from this IP, please try again later.'
+});
+
+// Middleware
+app.use(helmet());
+app.use(compression());
+app.use(morgan('combined'));
+app.use(cors({
+  origin: process.env.CORS_ORIGIN || "http://localhost:3000",
+  credentials: true
+}));
+app.use(express.json({ limit: '10mb' }));
+app.use(express.urlencoded({ extended: true }));
+app.use('/api/', limiter);
+
+// Make io available to routes
+app.use((req, res, next) => {
+  req.io = io;
+  next();
+});
+
+// Routes
+app.use('/api', routes);
+
+// Health check endpoints
+app.get('/health', (req, res) => {
+  res.status(200).json({ 
+    status: 'OK', 
+    timestamp: new Date().toISOString(),
+    environment: process.env.NODE_ENV 
+  });
+});
+
+app.use('/api/health', require('./routes/health'));
+
+// Error handling
+app.use(errorHandler);
+
+// Socket.IO initialization
+initializeSocketHandlers(io);
+
+const PORT = process.env.PORT || 3001;
+
+// Database connection and server startup
+async function startServer() {
+  try {
+    await sequelize.authenticate();
+    console.log('Database connected successfully.');
+    
+    if (process.env.NODE_ENV !== 'production') {
+      await sequelize.sync({ alter: true });
+      console.log('Database synchronized.');
+    }
+    
+    server.listen(PORT, () => {
+      console.log(`Server running on port ${PORT}`);
+      console.log(`Environment: ${process.env.NODE_ENV}`);
+    });
+  } catch (error) {
+    console.error('Unable to start server:', error);
+    process.exit(1);
+  }
+}
+
+startServer();
+
+module.exports = { app, server, io };