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Real-World Event Sourcing

Reality is event-sourced; your mind processes sight, sound, taste, smell, and touch to create its perception of reality. Software isn't that different. Unravel the theory behind event sourcing and discover how to put this approach into practice with practical, hands-on coding examples. From early-stage development through production and release, you'll unlock powerful new ways of clearing even the toughest programming hurdles.

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  1. Engineering Elixir Applications
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Real-World Event Sourcing
September 04, 2024

Real-World Event Sourcing: Distribute, Evolve, and Scale Your Elixir Applications

Our applications are bombarded with data. It's hard enough to derive state from that data, let alone discover how we arrived at that state. With event sourcing you can treat the stream of data as a simple sequence of events that you use to construct whatever state you need. Event sourcing is more than events; it adds patterns, rules, and constraints to produce robust and easy-to-maintain systems. In this book, you'll learn which rules can never be broken and which ones are flexible. By grounding yourself in theory, rules, and practical approaches, you'll be able to build real-world, event-sourced applications.

Get your hands dirty with fundamental event-sourcing building blocks such as commands, aggregates, projectors, process managers, injectors, and notifiers. Combine these building blocks to produce elegant solutions to complex problems. Leave "hello world" far behind as you tackle the more advanced aspects of event sourcing that give you the confidence you need to run these applications in production. Leverage event sourcing to create distributed applications with ease; model and handle failure; and deal with replays, schema evolution, security, and much more.

This book doesn't shy away from confronting the hard parts of event sourcing, instead giving you clear advice and examples for tackling the most difficult details.

Empower your applications with the full force of event sourcing today.

Now available in beta from pragprog.com/titles/khpes.

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Upcoming Author Appearances

  • 2024-09-05 Leemay Nassery, LeadDev NYC
  • 2024-09-05 Marcus Lagré, Zürich Engineering Leadership Meetup
  • 2024-09-09 Staffan Nöteberg, Regional Scrum Gathering Stockholm 2024
  • 2024-09-11 Dave Thomas, EuRuKo, Sarajevo, Bosnia and Herzegovina
  • 2024-09-11 Cristian Planas, EuRuKo, Sarajevo, Bosnia
  • 2024-09-12 Johanna Rothman, Boston Java Users ACM Chapter (formerly NEJUG)
  • 2024-09-13 Dave Thomas, EuRuKo 2024, Sarajevo
  • 2024-09-18 Cristian Planas, Friendly.rb, Bucharest, Romania
  • 2024-09-26 Andy Atkinson, Rails World, Toronto, Canada
  • 2024-09-30 Dave Thomas, Dev2Next, Denver CO
  • 2024-10-07 R. Mark Volkmann, iJS New York
  • 2024-10-16 Michael Keeling, Global Software Architecture Summit, Barcelona
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