feat: make redis store optional for rate limiting

Release-As: 2.13.4

packages/core/src/utils/env.ts

@@ -1810,7 +1810,11 @@ export const Env = cleanEnv(process.env, {
     default: false,
     desc: 'Disable rate limiting',
   }),
-
+  RATE_LIMIT_STORE: str({
+    choices: ['memory', 'redis'],
+    default: 'memory',
+    desc: 'The store to use for rate limiting',
+  }),
   STATIC_RATE_LIMIT_WINDOW: num({
     default: 5, // 1 minute
     desc: 'Time window for static file serving rate limiting in seconds',

packages/server/src/middlewares/ratelimit.ts

@@ -21,12 +21,13 @@ const createRateLimiter = (
     return (req: Request, res: Response, next: NextFunction) => next();
   }
   const redisClient = Env.REDIS_URI ? Cache.getRedisClient() : undefined;
-  const store = redisClient
-    ? new RedisStore({
-        prefix: `${REDIS_PREFIX}rate-limit:`,
-        sendCommand: (...args: string[]) => redisClient.sendCommand(args),
-      })
-    : new MemoryStore();
+  const store =
+    redisClient && Env.RATE_LIMIT_STORE === 'redis'
+      ? new RedisStore({
+          prefix: `${REDIS_PREFIX}rate-limit:`,
+          sendCommand: (...args: string[]) => redisClient.sendCommand(args),
+        })
+      : new MemoryStore();
   return rateLimit({
     windowMs,
     max: maxRequests,