aiwf/src/lib/resources/templates/api-server/template/src/app.ts

AI Workflow Framework for Claude Code with multi-language support (Korean/English)

import express, { Application } from 'express';
import cors from 'cors';
import helmet from 'helmet';
import compression from 'compression';
import rateLimit from 'express-rate-limit';
import swaggerUi from 'swagger-ui-express';
import { swaggerSpec } from '@config/swagger';
import { errorHandler } from '@middleware/errorHandler';
import { notFoundHandler } from '@middleware/notFoundHandler';
import { requestLogger } from '@middleware/requestLogger';
import { aiwfMiddleware } from '@middleware/aiwfMiddleware';
import routes from '@routes/index';

const app: Application = express();

// Security middleware
app.use(helmet());
app.use(cors());

// Rate limiting
const limiter = rateLimit({
  windowMs: parseInt(process.env.RATE_LIMIT_WINDOW_MS || '900000'),
  max: parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '100'),
  message: 'Too many requests from this IP, please try again later.',
});
app.use('/api', limiter);

// Body parsing middleware
app.use(express.json({ limit: '10mb' }));
app.use(express.urlencoded({ extended: true, limit: '10mb' }));

// Compression middleware
app.use(compression());

// Request logging
app.use(requestLogger);

// AIWF integration
app.use(aiwfMiddleware);

// API Documentation
app.use('/docs', swaggerUi.serve, swaggerUi.setup(swaggerSpec));

// Health check
app.get('/health', (req, res) => {
  res.status(200).json({
    status: 'healthy',
    timestamp: new Date().toISOString(),
    uptime: process.uptime(),
  });
});

// API routes
app.use('/api', routes);

// Error handlers
app.use(notFoundHandler);
app.use(errorHandler);

export default app;