Explore a real-world GraphQL application in production through this conference talk from React Amsterdam 2017. Dive into the experiences of Stefano Masini, a Full-stack Developer at Balsamiq, as he shares insights on building a complex web application with real-time collaboration. Learn about structuring code, implementing reactivity, and writing tests for a stack that includes Relay, Redux, Node.js, Redis, and AWS using Convox. Gain valuable lessons on hexagonal architecture, type definitions, mutation definitions, operations, error management, overfetching, specific events, narrow channels, reactivity, and testing. Discover how to balance innovation with practical considerations when developing a production-ready GraphQL application.