The ROAR Stack

The ROAR stack is a full-featured architecture designed for building communication-intensive applications that demand both developer velocity and high-performance data persistence. Rails serves as our primary application framework, handling HTTP request routing, business logic, and the core web service that clients interact with. It provides the rapid development cycle and rich ecosystem we need to iterate quickly on features while maintaining clean separation of concerns across our codebase.

Asterisk functions as our dedicated telecommunications engine, running as a separate service that Rails communicates with via standard APIs. This allows us to handle VoIP, call routing, and real-time communication features without bogging down the main application server. By decoupling Asterisk from Rails, we can scale each component independently—Asterisk handles the heavy lifting of media processing and protocol negotiation, while Rails focuses on business logic, user management, and orchestration.

For development and operations efficiency, we've standardized on ohmyzsh across the team to streamline our shell environments and command-line workflows. The framework's plugin ecosystem gives us seamless integration with Rails, Git, Docker, and other tools we rely on daily, reducing context switching and making onboarding faster. We pair this with RocksDB as our embedded persistence layer for time-series call metrics and high-frequency transactional data that doesn't need the overhead of a traditional SQL database. RocksDB's key-value architecture and write-optimized design give us the throughput we need for logging call events and session state while keeping operational complexity minimal.