The article provides a comprehensive guide on setting up a two-phase registration system using Django, the Django-registration plugin, and Gmail for messaging, and then deploying the app to Heroku. It begins with creating a virtual environment and installing necessary packages, followed by configuring Django settings, including environment variables, templates, and database connections for both local and production environments. The author highlights the importance of setting up static files and logging for Heroku deployment, and offers insights on using Gmail for email notifications while recommending alternatives like SendGrid for better security. The tutorial emphasizes reusability, offering a step-by-step approach to coding minimal functionality due to the abstraction provided by Django-registration, and concludes with instructions on deploying the app to Heroku, managing environment variables, and committing the project to version control. The author reflects on the challenges and learning experiences encountered during the process, encouraging readers to explore Django's capabilities and offering to rectify any issues through future articles.