Explore how Zillow utilizes Go to build maintainable services in this GopherCon 2021 talk. Discover techniques for creating transport-agnostic, highly testable, and easily maintainable applications that connect millions of consumers to real estate partners. Learn about Zillow's approach to composing applications, focusing on adding business value while making instrumentation, configuration, and resiliency transparent. Gain insights into server implementations, including timeout handling, graceful shutdown, distributed tracing, health checks, and Swagger integration. Delve into worker patterns, Kafka client usage, circuit breakers, and concurrency management. Examine http client implementation, logging practices, and configuration management using AppConfig. Understand how Zillow leverages WIRE for dependency injection and composition to streamline development processes.