Architecture Deep Dive

🏗️ Architecture Deep Dive

FlossPay is built like an operating system for payments—modular, secure, and resilient.

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High-Level Diagram

flowchart TD
  subgraph Client Tier
    Merchant["Merchant App"]
  end
  subgraph FlossPay Core
    API["API Service"]
    Worker["Worker Service"]
    Stream["Redis Streams \"transactions.*\""]
    DB[("PostgreSQL Ledger")]
  end
  subgraph Observability
    Grafana["Grafana + Prometheus"]
  end

  Merchant -->|REST: /pay, /collect| API
  API -->|XADD| Stream
  Stream -->|XREADGROUP| Worker
  Worker -->|UPDATE| DB
  API -->|SELECT| DB
  DB -->|metrics| Grafana

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