Add SMTP transporter in helpers

config/config.js

@@ -1,13 +1,18 @@
+// from '.env' in root folder
 module.exports = {
-	// from '.env' in root folder
+	// APP
 	port: process.env.PORT || 3001,
 	environment: process.env.NODE_ENV || 'development',
+	// DATABASE
 	dbURL: process.env.DATABASE_URL,
+	// JWT
 	jwtSecret: process.env.JWT_SECRET,
+	saltingRounds: process.env.SALTING_ROUNDS || 10,
+	// NODEMAILER
 	smtpHost: process.env.SMTP_HOST,
 	smtpPort: process.env.SMTP_PORT,
 	smtpUsername: process.env.SMTP_USERNAME,
 	smtpPassword: process.env.SMTP_PASSWORD,
-	// Others
-	saltingRounds: process.env.SALTING_ROUNDS || 10,
+	smtpSecure: process.env.SMTP_SECURE || true, // use TLS
+	smtpPool: process.env.SMTP_POOL|| true, // Pool connections to server
 };

helpers/smtpTransporter.js

@@ -0,0 +1,20 @@
+const nodemailer = require('nodemailer');
+
+const {
+	smtpPool,
+	smtpHost,
+	smtpPort,
+	smtpUsername,
+	smtpPassword,
+} = require('../config/config');
+
+nodemailer.createTransport({
+	pool: smtpPool,
+	host: smtpHost,
+	port: smtpPort,
+	secure: smtpSecure,
+	auth: {
+		user: smtpUsername,
+		pass: smtpPassword,
+	},
+});