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Service Discovery
Overview
The Service Discovery component will provide dynamic registration, discovery, and health monitoring of services within the stock-bot platform. It will enable services to locate and communicate with each other without hardcoded endpoints, supporting a flexible and resilient microservices architecture.
Planned Features
Service Registration
- Automatic Registration: Self-registration of services on startup
- Metadata Management: Service capabilities and endpoint information
- Instance Tracking: Multiple instances of the same service
- Version Information: Service version and compatibility data
- Registration Expiry: TTL-based registration with renewal
Service Discovery
- Name-based Lookup: Find services by logical names
- Filtering: Discovery based on metadata and attributes
- Load Balancing: Client or server-side load balancing
- Caching: Client-side caching of service information
- DNS Integration: Optional DNS-based discovery
Health Monitoring
- Health Checks: Customizable health check protocols
- Automatic Deregistration: Removal of unhealthy instances
- Status Propagation: Health status notifications
- Dependency Health: Cascading health status for dependencies
- Self-healing: Automatic recovery procedures
Configuration Management
- Dynamic Configuration: Runtime configuration updates
- Environment-specific Settings: Configuration by environment
- Configuration Versioning: History and rollback capabilities
- Secret Management: Secure handling of sensitive configuration
- Configuration Change Events: Notifications of config changes
Planned Integration Points
Service Integration
- All platform microservices
- External service dependencies
- Infrastructure components
- Monitoring systems
Planned Technical Implementation
Technology Stack
- Service Registry: Consul, etcd, or ZooKeeper
- Client Libraries: TypeScript SDK for services
- Health Check: HTTP, TCP, and custom health checks
- Configuration Store: Distributed key-value store
- Load Balancer: Client-side or service mesh integration
Architecture Pattern
- Service registry pattern
- Client-side discovery pattern
- Health check pattern
- Circuit breaker integration
Development Guidelines
Service Integration
- Registration process
- Discovery implementation
- Health check implementation
- Configuration consumption
Resilience Practices
- Caching strategy
- Fallback mechanisms
- Retry configuration
- Circuit breaker settings
Operational Considerations
- High availability setup
- Disaster recovery approach
- Scaling guidelines
- Monitoring requirements
Implementation Roadmap
- Core service registry implementation
- Basic health checking
- Service discovery integration
- Configuration management
- Advanced health monitoring with dependency tracking