Application system design

app_sys_dis.md

graph TB
    subgraph "Client Layer"
        Client[heyhomie-client<br/>React.js Frontend]
        AdminPanel[heyhomie-admin<br/>Rails Admin Panel]
    end
    
    subgraph "API Layer"
        API[heyhomie-api<br/>Rails API Server]
        PaymentRecovery[heyhomie-payment-recovery<br/>Payment Recovery Service]
    end
    
    subgraph "External Services"
        Stripe[Stripe Payment Gateway]
        Email[Email Service]
        SMS[SMS Service]
    end
    
    subgraph "Data Layer"
        PostgreSQL[(PostgreSQL Database<br/>with PostGIS)]
        Redis[(Redis Cache)]
    end
    
    subgraph "Infrastructure"
        Docker[Docker Containers]
        Nginx[Nginx Reverse Proxy]
    end
    
    %% Client connections
    Client -->|HTTP/REST API| API
    AdminPanel -->|HTTP/REST API| API
    
    %% API connections
    API -->|SQL Queries| PostgreSQL
    API -->|Cache| Redis
    API -->|Payment Processing| Stripe
    API -->|Notifications| Email
    API -->|SMS Notifications| SMS
    
    %% Payment Recovery connections
    PaymentRecovery -->|SQL Queries| PostgreSQL
    PaymentRecovery -->|Payment Processing| Stripe
    PaymentRecovery -->|Email Recovery| Email
    PaymentRecovery <-->|Recovery Triggers| API
    
    %% Infrastructure
    Docker -.->|Contains| API
    Docker -.->|Contains| AdminPanel
    Docker -.->|Contains| PaymentRecovery
    Docker -.->|Contains| PostgreSQL
    Docker -.->|Contains| Redis
    
    Nginx -->|Proxy| API
    Nginx -->|Proxy| AdminPanel
    
    classDef frontend fill:#e1f5fe
    classDef backend fill:#f3e5f5
    classDef database fill:#e8f5e8
    classDef external fill:#fff3e0
    classDef infrastructure fill:#f5f5f5
    
    class Client,AdminPanel frontend
    class API,PaymentRecovery backend
    class PostgreSQL,Redis database
    class Stripe,Email,SMS external
    class Docker,Kubernetes,Nginx infrastructure

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