NestJS · Middle · Question 36 of 75

How do you move slow work, like sending emails, to a background queue in Nest?

1Use setTimeout in the controller
2Use @Cron for every email
✓Correct answer: Use @nestjs/bullmq: add jobs with an injected queue and process them in a @Processor() class

Explanation

Jobs survive restarts in Redis, can be retried with backoff and processed by separate worker instances.

Further reading

Test yourself

Take the NestJS · Middle quiz: questions and options are shuffled, and you get a review of your mistakes at the end.