Tune your system live

1import { Replane } from '@replanejs/sdk'
2import { RateLimiter } from './rate-limiter'
3
4interface Configs {
5  'rate-limit-requests': number
6  'rate-limit-window-ms': number
7  'cache-ttl-seconds': number
8}
9
10const replane = new Replane<Configs>()
11
12await replane.connect({
13  baseUrl: 'https://replane.example.com',
14  sdkKey: process.env.REPLANE_SDK_KEY
15})
16
17// Initialize with config values
18let rateLimiter = new RateLimiter({
19  maxRequests: replane.get('rate-limit-requests'),
20  windowMs: replane.get('rate-limit-window-ms')
21})
22
23// Update rate limiter when config changes
24replane.subscribe('rate-limit-requests', (config) => {
25  rateLimiter.updateLimits({
26    maxRequests: config.value,
27    windowMs: replane.get('rate-limit-window-ms')
28  })
29  console.log('Rate limits updated:', config.value)
30})
31
32// Use in request handling
33app.use((req, res, next) => {
34  if (rateLimiter.isLimited(req.ip)) {
35    return res.status(429).json({ error: 'Too many requests' })
36  }
37  next()
38})