const Koa = require('koa');
const { Router } = require('@koa/router'); 
const app = new Koa();
const router = new Router();

router.get('/', async (ctx) => {
    ctx.body = 'Welcome to the Koa server!';
});

router.get('/about', async (ctx) => {
    ctx.body = 'This is the about page.';
});

router.get('/contact', async (ctx) => {
    ctx.body = 'This is the contact page.';
});

app.use(router.routes()).use(router.allowedMethods());

const port = 3000;
app.listen(port, () => {
    console.log(`Server is running on http://localhost:${port}`);
});