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Manage the State with a State Machine

Explore how to manage application state in Elixir using purely functional state machines. Understand how to transform data through state transitions while keeping code clean and separate from business logic. Learn why state matters, the challenges of stateful web apps, and how Elixir processes like GenServer can hold long-running state without relying on databases.

The state in an Elixir project

Handling the state is an important topic in web development these days. There are evolving ideas and practices in both the front and back-end worlds. It’s time we talk more directly about how to manage the state in an Elixir project.

The BEAMBogdan Erlang Abstract Machine’s concurrency and fault tolerance bring truly stateful web applications within reach. However, stateful applications bring their own challenges. Managing the state over time requires great care and coordination. Keeping the code clean in the process provides an ...