Function checkQueuesEnabledInProd

apps/api/src/config/env/validate.ts:708–718

(env: Env)

 * "we sent it" toast for an email that never arrived.
 */
const checkQueuesEnabledInProd = (env: Env): string[] => {
  if (env.NODE_ENV !== "production") {
    return [];
  }

  return env.QUEUES_ENABLED
    ? []
    : [
        "QUEUES_ENABLED must be true in production so transactional email retries on transient failure",
      ];
};

/**
 * Production must back the cache with Valkey when caching is enabled.