PORT=3000 MONGODB_URL=mongodb://127.0.0.1:27017/node-boilerplate JWT_SECRET=thisisasamplesecret JWT_ACCESS_EXPIRATION_MINUTES=30 JWT_REFRESH_EXPIRATION_DAYS=30 # SMTP configuration options for the email service # For testing, you can use a fake SMTP service like Ethereal: https://ethereal.email/create SMTP_HOST=email-server SMTP_PORT=587 SMTP_USERNAME=email-server-username SMTP_PASSWORD=email-server-password EMAIL_FROM=support@yourapp.com