System Architecture Overview
Eli Health is built as a distributed system with multiple specialized services working together to deliver comprehensive health monitoring and analytics.
High-Level Architecture
Service Breakdown
📱 Mobile Application
Technology: React Native
Purpose: User interface for health tracking
Key Features:
- Cross-platform iOS/Android
- Real-time health monitoring
- Push notifications
- Offline capabilities
Learn more about the Mobile App →
🔧 Backend API
Technology: Node.js/TypeScript
Purpose: Core business logic and data management
Key Features:
- REST API endpoints
- User authentication
- Data validation
- Integration orchestration
Learn more about the Backend API →
🧬 HAE API
Technology: Python/ML
Purpose: Image analysis and machine learning
Key Features:
- Computer vision processing
- ML model inference
- Biomarker analysis
- Prediction algorithms
Learn more about the HAE API →
📊 KPI Analytics
Technology: Python/SQL
Purpose: Business intelligence and reporting
Key Features:
- Data aggregation
- Performance metrics
- Custom dashboards
- Automated reporting
Learn more about KPI Analytics →
Data Flow Architecture
Key Architectural Principles
🔒 Security First
- HIPAA Compliance: All health data is encrypted and access-controlled
- Zero Trust: Every request is authenticated and authorized
- Data Encryption: At rest and in transit
- Audit Logging: Complete activity tracking
📊 Scalable Data Pipeline
- Real-time Processing: Immediate analysis of health measurements
- Batch Analytics: Overnight processing for trends and insights
- Data Warehousing: BigQuery for large-scale analytics
- Stream Processing: Real-time event handling
🚀 Cloud-Native Design
- Microservices: Independently deployable services
- Containerization: Docker for consistent deployments
- Auto-scaling: Handles varying load automatically
- Infrastructure as Code: Terraform for reproducible deployments
🔄 CI/CD Integration
- Automated Testing: Unit, integration, and end-to-end tests
- Deployment Pipelines: Automated staging and production deployment
- Feature Flags: Safe rollout of new features
- Monitoring: Comprehensive observability
Environment Architecture
Development
- Purpose: Local development and testing
- Database: Isolated PostgreSQL instance
- Services: All services deployed with debug configuration
- Access: Developer-only access
Staging
- Purpose: Pre-production testing and validation
- Database: Production-like data (anonymized)
- Services: Production configuration with test data
- Access: QA and stakeholder access
Production
- Purpose: Live user-facing system
- Database: HIPAA-compliant PostgreSQL
- Services: High-availability configuration
- Access: End users and operational staff
Technology Stack Summary
| Layer | Technology | Purpose |
|---|---|---|
| Frontend | React Native, React | User interfaces |
| Backend | Node.js, TypeScript | API services |
| ML/AI | Python, TensorFlow | Image analysis |
| Database | PostgreSQL, BigQuery | Data storage |
| Infrastructure | GCP, Terraform | Cloud resources |
| Monitoring | Cloud Monitoring | Observability |
| CI/CD | GitHub Actions | Deployment |
Next Steps
- 🚀 Quick Start - Get your development environment running
- ☁️ Infrastructure - Learn about our deployment infrastructure
- 📡 API Reference - Explore our API documentation