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classroomio/apps/backend/src/index.ts
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import 'dotenv/config';
import { Hono } from 'hono';
import { cors } from 'hono/cors';
import { courseRouter } from '$src/routes/course/course';
import { env } from '$src/config/env';
import { logger } from 'hono/logger';
import { mailRouter } from '$src/routes/mail';
import { prettyJSON } from 'hono/pretty-json';
import { rateLimiter } from 'hono-rate-limiter';
import { secureHeaders } from 'hono/secure-headers';
import { serve } from '@hono/node-server';
import { showRoutes } from 'hono/dev';
// Create Hono app
const app = new Hono();
// Middleware
app.use('*', logger());
app.use('*', prettyJSON());
app.use('*', secureHeaders());
app.use(
'*',
cors({
origin: '*',
allowMethods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
allowHeaders: ['Content-Type', 'Authorization'],
exposeHeaders: ['Content-Length', 'X-Kuma-Revision'],
maxAge: 600,
credentials: true
})
);
app.use(
rateLimiter({
windowMs: 15 * 60 * 1000, // 15 minutes
limit: 100, // Limit each IP to 100 requests per `window` (here, per 15 minutes).
standardHeaders: 'draft-6', // draft-6: `RateLimit-*` headers; draft-7: combined `RateLimit` header
keyGenerator: (c) => c.req.header('Authorization')?.split(' ')[1] ?? 'unknown' // Method to generate custom identifiers for clients.
})
);
// Routes
app.get('/', (c) => c.json({ message: 'Welcome to ClassroomIO' }));
app.route('/course', courseRouter);
app.route('/mail', mailRouter);
// Error handling
app.onError((err, c) => {
console.error('Error:', err);
return c.json({ error: 'Internal Server Error' }, 500);
});
// Start server
const port = env.PORT ? parseInt(env.PORT) : 3002;
function startServer() {
console.log('Starting server...');
serve({ fetch: app.fetch, port });
showRoutes(app, { colorize: true });
}
startServer();