Learn ELIXIR with Real Code Examples
Updated Nov 18, 2025
Architecture
Elixir compiler -> Erlang bytecode
Executed on BEAM VM
Processes scheduled by BEAM
Supervision trees manage failures
Hot code reload supported
Rendering Model
Elixir code -> compiled to Erlang bytecode
BEAM executes lightweight processes
Schedulers manage concurrency
Hot code upgrades supported
Architectural Patterns
GenServer-based services
Supervision tree architectures
Event-driven architecture
Phoenix MVC + LiveView
Real World Architectures
Distributed chat systems
IoT device networks
Fintech low-latency pipelines
Messaging brokers
Massively parallel services
Design Principles
Reliability via OTP
Concurrency-first design
Immutability
Process-based architecture
Scalability Guide
Use supervision trees for reliability
Distribute nodes across clusters
Use PubSub for messaging
Use Flow/GenStage for pipelines
Migration Guide
Move from REST to LiveView
Convert services to GenServers
Refactor into supervision trees
Introduce OTP patterns