Skip to content

Architecture

The solution is composed of several services:

Service Technology Description
API / Backend Django 5, Django REST Framework, Daphne (ASGI) REST API, WebSocket, administration
Celery Worker Celery Asynchronous tasks (reminders, cleanup, notifications)
Celery Beat Celery Beat Periodic task scheduler
Practitioner Angular 20 (PWA) Web interface for practitioners
Patient Ionic / Angular 20 Web/mobile application for patients
PostgreSQL PostgreSQL 15 Database (multi-tenant by schema)
Redis Redis 7 Cache and message broker
LiveKit LiveKit Server Video/audio conferencing (WebRTC SFU)
SMTP Server Any SMTP Email delivery (invitations, reminders, notifications)
SMS Gateway (optional) Twilio, etc. SMS delivery for patient invitations

Overview Diagram

graph TD
    subgraph Clients
        PR[Practitioner
Angular PWA]
        PA[Patient
Ionic / Angular]
    end

    subgraph Backend
        API[Django API
REST + WebSocket]
        CW[Celery Worker]
        CB[Celery Beat]
    end

    subgraph Infrastructure
        PG[(PostgreSQL)]
        RD[(Redis)]
        LK[LiveKit Server]
    end

    subgraph External
        SMTP[SMTP Server]
        SMS[SMS Gateway]
    end

    PR -->|REST / WS| API
    PA -->|REST / WS| API
    PR -->|WebRTC| LK
    PA -->|WebRTC| LK
    API --> PG
    API --> RD
    API --> LK
    CW --> PG
    CW --> RD
    CW --> SMTP
    CW --> SMS
    CB --> RD