Explore the third part of a video series on modernizing .NET applications, focusing on evolving the application architecture. Learn how to extract the web application's save feature into a separate container, implement an event-driven architecture using a message queue, and set up a message handler to process save events and store data in SQL Server. Discover how this containerized, event-driven approach enables independent scaling and updates for different features, enhancing the flexibility and maintainability of your .NET application.