Email Service with initialization

EmailService.ts

import process from 'process';
import * as nodemailer from 'nodemailer';
import * as dotenv from 'dotenv';

dotenv.config();

export class EmailService {
  private static transporter: nodemailer.Transporter;
  private static env = {
    USER: process.env.MAIL_USER,
    PASS: process.env.MAIL_PASSWORD,
  };

  public static initialize() {
    try {
      EmailService.transporter = nodemailer.createTransport({
        service: 'gmail',
        auth: {
          user: this.env.USER,
          pass: this.env.PASS,
        },
      });
    } catch (error) {
      console.error('Error initializing email service');
      throw error;
    }
  }
}