How to use Job Queue to handle email sending in your Nestjs server

• bull

  50 15,039 6.8 JavaScript

  Premium Queue package for handling distributed jobs and messages in NodeJS.

  

For Job Queue, NestJs provides a package named @nestjs/bull as an abstraction/wrapper on top of Bull, a popular, well-supported, high-performance Node. js-based Queue system implementation.

• Redis

  318 64,821 9.7 C

  Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.

  

Bull uses Redis to persist job data, so you’ll need Redis installed on your system.

• SurveyJS

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• nestjs-job-queue-email-sending

  1 8 3.9 TypeScript
  

You can find the whole code for this article here.

• handlebars.js

  72 17,730 6.2 JavaScript

  Minimal templating on steroids.

  

Once the package is set up, it will provide a MailService class that has a method named sendEmail that will receive some parameters and then send the mail. But first, we need to create the mail template and for that, we will use handlebars. It will allow us, to create HTML templates in which we can pass dynamics parameters, such as the user name or its information, and write inline CSS to style our email.

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