141 lines
3.9 KiB
JavaScript
141 lines
3.9 KiB
JavaScript
require('dotenv').config();
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const express = require('express');
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const cors = require('cors');
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const helmet = require('helmet');
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const morgan = require('morgan');
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const rateLimit = require('express-rate-limit');
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const { testConnection, getDatabaseStats } = require('./config/db');
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const { validateEnvironment } = require('./validate-env');
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// Validate environment configuration on startup
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console.log('\n🔧 Validating environment configuration...');
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const isEnvValid = validateEnvironment();
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if (!isEnvValid) {
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console.error('❌ Environment validation failed. Please fix errors and restart.');
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process.exit(1);
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}
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const app = express();
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// Configuration
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const config = require('./config/config');
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const PORT = config.server.port;
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const API_PREFIX = config.server.apiPrefix;
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const NODE_ENV = config.server.nodeEnv;
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// Security middleware
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app.use(helmet());
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// CORS configuration
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app.use(cors(config.cors));
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// Body parser middleware
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app.use(express.json({ limit: '10mb' }));
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app.use(express.urlencoded({ extended: true, limit: '10mb' }));
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// Logging middleware
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if (NODE_ENV === 'development') {
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app.use(morgan('dev'));
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} else {
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app.use(morgan('combined'));
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}
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// Rate limiting
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const limiter = rateLimit({
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windowMs: config.rateLimit.windowMs,
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max: config.rateLimit.maxRequests,
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message: config.rateLimit.message,
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standardHeaders: true,
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legacyHeaders: false,
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});
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app.use(API_PREFIX, limiter);
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// Health check endpoint
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app.get('/health', async (req, res) => {
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const dbStats = await getDatabaseStats();
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res.status(200).json({
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status: 'OK',
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message: 'Interview Quiz API is running',
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timestamp: new Date().toISOString(),
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environment: NODE_ENV,
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database: dbStats
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});
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});
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// API routes
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const authRoutes = require('./routes/auth.routes');
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const guestRoutes = require('./routes/guest.routes');
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const categoryRoutes = require('./routes/category.routes');
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const questionRoutes = require('./routes/question.routes');
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const adminRoutes = require('./routes/admin.routes');
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app.use(`${API_PREFIX}/auth`, authRoutes);
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app.use(`${API_PREFIX}/guest`, guestRoutes);
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app.use(`${API_PREFIX}/categories`, categoryRoutes);
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app.use(`${API_PREFIX}/questions`, questionRoutes);
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app.use(`${API_PREFIX}/admin`, adminRoutes);
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// Root endpoint
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app.get('/', (req, res) => {
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res.json({
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message: 'Welcome to Interview Quiz API',
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version: '2.0.0',
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documentation: '/api-docs'
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});
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});
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// 404 handler
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app.use((req, res, next) => {
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res.status(404).json({
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success: false,
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message: 'Route not found',
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path: req.originalUrl
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});
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});
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// Global error handler
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app.use((err, req, res, next) => {
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console.error('Error:', err);
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const statusCode = err.statusCode || 500;
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const message = err.message || 'Internal Server Error';
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res.status(statusCode).json({
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success: false,
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message: message,
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...(NODE_ENV === 'development' && { stack: err.stack })
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});
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});
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// Start server
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app.listen(PORT, async () => {
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console.log(`
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╔════════════════════════════════════════╗
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║ Interview Quiz API - MySQL Edition ║
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╚════════════════════════════════════════╝
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🚀 Server running on port ${PORT}
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🌍 Environment: ${NODE_ENV}
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🔗 API Endpoint: http://localhost:${PORT}${API_PREFIX}
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📊 Health Check: http://localhost:${PORT}/health
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`);
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// Test database connection on startup
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console.log('🔌 Testing database connection...');
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const connected = await testConnection();
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if (!connected) {
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console.warn('⚠️ Warning: Database connection failed. Server is running but database operations will fail.');
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}
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});
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// Handle unhandled promise rejections
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process.on('unhandledRejection', (err) => {
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console.error('Unhandled Promise Rejection:', err);
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// Close server & exit process
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process.exit(1);
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});
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module.exports = app;
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