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System Overview

Azotte is built as a cloud-native, microservices-based platform designed for scale, reliability, and global deployment.

High-Level Architecture​

┌─────────────────┐    ┌─────────────────┐    ┌──────────────────┐
│   Client Apps   │    │   API Gateway   │    │   Core Services  │
│                 │───▶│                 │───▶│                  │
│ Web/Mobile/API  │    │ Authentication  │    │ Subscription Mgmt│
└─────────────────┘    │ Rate Limiting   │    │ Payment Engine   │
                       │ Load Balancing  │    │ Campaign Engine  │
                       └─────────────────┘    │ Entitlement Svc  │
                                              └──────────────────┘
                                              
┌─────────────────┐    ┌─────────────────┐    ┌──────────────────┐
│   Data Layer    │    │   Integration   │    │   Monitoring     │
│                 │    │                 │    │                  │
│ PostgreSQL      │    │ Payment PSPs    │    │ Metrics & Logs   │
│ Redis Cache     │    │ Webhook Delivery│    │ Health Checks    │
│ Object Storage  │    │ External APIs   │    │ Alerting         │
└─────────────────┘    └─────────────────┘    └──────────────────┘

Core Principles​

Scalability​

  • Horizontal scaling capabilities
  • Container-based deployment
  • Auto-scaling based on demand
  • Global distribution support

Reliability​

  • 99.9% uptime SLA
  • Multi-region failover
  • Circuit breaker patterns
  • Graceful degradation

Security​

  • Zero-trust architecture
  • End-to-end encryption
  • PCI DSS compliance
  • Regular security audits

Performance​

  • Sub-100ms API response times
  • Efficient caching strategies
  • CDN integration
  • Database optimization

Technology Stack​

Backend Services​

  • Language: .NET Core, Node.js
  • Database: PostgreSQL, Redis
  • Message Queue: RabbitMQ, Apache Kafka
  • Storage: AWS S3, Azure Blob Storage

Infrastructure​

  • Containers: Docker, Kubernetes
  • Cloud: AWS, Azure, Multi-cloud
  • Load Balancing: NGINX, AWS ALB
  • Monitoring: Prometheus, Grafana, ELK Stack

API Design​

  • RESTful API architecture
  • GraphQL for complex queries
  • OpenAPI 3.0 specifications
  • Webhook-based event delivery

Deployment Architecture​

Environment Isolation​

  • Development environments
  • Staging/UAT environments
  • Production environments
  • Disaster recovery sites

CI/CD Pipeline​

  • Automated testing
  • Security scanning
  • Blue-green deployments
  • Rollback capabilities

Next Steps​