From Scratch to a Million Users — Part 2: What Breaks After Launch

After launching a new application, the team encountered issues with scalability, maintainability, and testing. They realized the need for automated testing, particularly unit tests, to ensure the application's stability and security. The team should focus on writing the right tests, rather than just writing tests, to protect against real bugs. This involves a balanced approach to unit, integration, and end-to-end testing.