Add custom rate limiter

Author: asubowo

src/utils/rateLimiter.ts

@@ -7,7 +7,7 @@ export const rateLimiter: RateLimitRequestHandler = rateLimit({
     windowMs: 60 * 1000,
     limit: (req: Request): number => {
         logger.debug(`Rate limit check ${ req.auth ? 'authenticated' : 'anon' } - ${ req.ip }`)
-        return req.auth ? 60 : 5 // If no auth, set lower limit
+        return req.auth ? 60 : 5 // 60 req/min for auth, 5 for anon
     },
     keyGenerator: (req: Request): string => {
         return req.auth?.sub ? `session-${req.auth.sub}` : req.ip!