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Explore the evolution of an Elixir backend application for hotel online reservations in this 38-minute conference talk from ElixirConf EU 2025. Follow the journey from a simple minimum viable product with synchronous booking flows to a sophisticated event-driven architecture that handles distributed booking processes. Learn how incremental improvements using Elixir's built-in asynchronous capabilities transformed the application's reliability and performance. Discover practical strategies for migrating from synchronous to asynchronous workflows, implementing event-driven patterns, and addressing scalability challenges in real-world booking systems. Understand how these architectural changes enhanced customer experience, mitigated operational issues, and improved overall application performance in a production environment handling hotel reservations.
