Explore a comprehensive conference talk from Conf42 Golang 2023 featuring Ivan Pesenti as he delves into building a complex application using Test-Driven Development (TDD). Learn valuable insights and techniques for implementing TDD in Golang projects through this in-depth presentation. Discover how to approach complex app development with a test-first mindset, enhancing code quality and maintainability. Gain practical knowledge on structuring your Golang projects, writing effective tests, and iteratively building robust applications. The talk covers key concepts, best practices, and real-world examples to help you master TDD in Golang development.