Learn FEATHERSJS with Real Code Examples
Updated Nov 27, 2025
Architecture
Service-based architecture for each resource
Middleware via Express/Koa integration
Hooks for pre/post request handling
Adapters for database integration
Real-time channels via WebSockets or Socket.io
Rendering Model
Application receives request
Service handles logic
Hooks run pre/post-processing
Response sent via REST or real-time channel
Client receives data or event
Architectural Patterns
Service-based architecture
Hooks for middleware-like processing
Adapter pattern for database integration
Event-driven channels for real-time updates
REST and WebSocket dual API support
Real World Architectures
Real-time chat and collaboration apps
REST API backend for web/mobile apps
Microservices with multiple services
Event-driven apps with real-time notifications
Rapidly prototyped SaaS applications
Design Principles
Lightweight and modular
Service-based architecture for flexibility
Real-time support as first-class feature
Database-agnostic via adapters
Developer productivity and minimal boilerplate
Scalability Guide
Use multiple Node.js processes with clustering
Scale database adapters for concurrency
Optimize hook execution for heavy workloads
Use channels efficiently for real-time events
Leverage cloud services and load balancers
Migration Guide
Update Node.js and FeathersJS CLI
Refactor deprecated service or hook APIs
Test all service endpoints and hooks
Deploy incrementally for production safety
Monitor logs and real-time channels