Sendgrid

Example 1. Send e-mail by sendgrid

Example without any express/web-server

• Create project folder to test e-mail sending by sendgrid
• Add script "start:dev": "nodemon app"
• npm i @sendgrid/mail dotenv
• npm i nodemon -D
• Create in root of the proj .prettierrc.json
• Add .env file in root of project with necessary
  • SENDGRID_KEY=thisKeyCopiedInTimeOfCreatingItAndSavedSomewhere
    (explanation how to take it)
• Before pushing the initial repository to the github remember about adding .gitignore to the project including in the beginning .env

• app.js

  See the Pen 120__send_email_by_SENDGRID by Andrii (@imitator) on CodePen.

Example 2. Send e-mail by sendgrid in any CTRL

• Create repo according to MERN - quick guide till moment of controllers (get, post, update, delete) creating .
• Add to .env
  • SENDGRID_KEY=...
  • SENDGRID_SENDER=...
• Create utils/sendMailBySendgrid.js

  See the Pen 121__send_email_by_SENDGRID__function_unified by Andrii (@imitator) on CodePen.

  P.S. remember about reexport in utils/index.js
• Import this util in any CTRL, f.e. in addProductCTRL
  • const { sendMailBySendgrid } = require('../../utils');
• Send mail like:
  • const sendMailAnswer = await sendMailBySendgrid({

    to: 'john.wick@gmail.com',

    subject: 'Product added',

    text: 'Products successfully added',

    html: ' <h2>Product successfully added</h2> ',

    });

    console.log('Message send on:', sendMailAnswer[0].headers.date);