koa_boost_response_caching_quickstart_with_ttl_rules.ts

1import Koa from 'koa';
2import boost from 'koa-boost';
3
4const app = new Koa();
5
6// Apply koa-boost middleware for response caching
7// By default, it uses memory storage and caches successful GET requests
8app.use(boost({
9  // Optional: define which routes or conditions to cache
10  rules: [
11    {
12      match: /^\/api/,
13      ttl: 60, // Cache duration in seconds
14    },
15  ],
16}));
17
18app.use(async (ctx) => {
19  // This response will be cached by koa-boost based on the rules defined above
20  ctx.body = {
21    message: 'Hello World',
22    timestamp: Date.now(),
23  };
24});
25
26app.listen(3000, () => {
27  console.log('Server running on http://localhost:3000');
28});