Test out increasing server side rate-limit to allow Fastly to rate-limit (#54948)

Author: rachmari

config/moda/configuration/default/env.yaml

@@ -4,6 +4,6 @@ data:
   NODE_OPTIONS: '--max-old-space-size=4096'
   PORT: '4000'
   ENABLED_LANGUAGES: 'en,es,ja,pt,zh,ru,fr,ko,de'
-  RATE_LIMIT_MAX: '21'
+  RATE_LIMIT_MAX: '150'
   # Moda uses a non-default port for sending datadog metrics
   DD_DOGSTATSD_PORT: '28125'

src/shielding/middleware/rate-limit.ts

@@ -14,8 +14,6 @@ if (isNaN(MAX)) {
 }
 
 // We apply this rate limiter to _all_ routes in src/shielding/index.ts except for `/api/*` routes
-// `/api/*` routes are rate limited on a more specific basis in frame/api/index.ts
-// When creating a limiter for `/api/*` routes, we need to pass `true` as the second argument
 export function createRateLimiter(max = MAX, isAPILimiter = false) {
   return rateLimit({
     // 1 minute