Medical System as a Service

MSaaS is Laoheshan’s most technologically intelligent medical system.

It's our course project for ZJU Software Engineering 2021, but we definitely want to do something interesting.

A cross-platform medical system supporting iOS, Android, Web, and PWA.

Pipeline Status

Parts	CI	CD
Client
Web
Server

Features & Highlights

• Basic CRUD System with B/S, C/S Architecture
• Cross-Platform Ability Powered by React Native
• Video Diagnose Using WebRTC
• GraphDB & Deep-Learning Based AI Doctor
• Customable Information Visualization Using D3, ECharts, Leaflet and visx
• Intelligent API Maintainance with OpenAPI
• Cloud Native DevOps Development with GitHub Actions, Docker Registry and WatchTower
• ...

Deployment

You may deploy your own MSaaS instance using the following compose file.

version: '3'

services:
  frontend:
    image: registry.cn-hangzhou.aliyuncs.com/ncj/msaas:latest
    restart: always
  client_web:
    image: registry.cn-hangzhou.aliyuncs.com/ncj/msaas_client:latest
    restart: always
  backend:
      image: registry.cn-hangzhou.aliyuncs.com/ncj/msaas_backend:latest
      restart: always
      depends_on: 
          - "db"
          - "redis"
      environment: 
          ConnectionStrings__Msaas: "Host=db;Database=msaas;Username=postgres;Password=${DB_PASSWORD}"
          ConnectionStrings__Redis: "redis:6379"
          JwtSettings__ExpiresIn: 604800
          JwtSettings__SigningKey: ${JWT_SIGNING_KEY}
          SubDirectory: "/api"
  db:
      image: postgres:13
      restart: always
      environment:
          POSTGRES_PASSWORD: ${DB_PASSWORD}
          POSTGRES_DB: msaas
      volumes:
          - data:/var/lib/postgresql/data
      command: postgres -c 'max_connections=1000'
  redis:
      image: redis:6-alpine
      restart: always
  graph_db:
      image: registry.cn-hangzhou.aliyuncs.com/ncj/msaas_chatterbot_graph:latest
      restart: always
  peerjs:
      image: peerjs/peerjs-server:0.6.1
      restart: always
      command: peerjs --port 9000 --key msaas_peerjs --path /peerjs
  chatter_bot_api:
      image: registry.cn-hangzhou.aliyuncs.com/ncj/msaas_chatterbot_api:latest
      restart: always
      depends_on: 
          - "graph_db"
      environment:
          NEO4J: "http://graph_db:7474"

volumes:
    data:

Architecture

Client Side

• Built with React Native and React Native Paper
• OpenAPI Generated Network SDK
• WebRTC with Native Support
• Unit Test with Jest

Web Side

• Built with Ant Design Pro
• OpenAPI Generated Network SDK and TypeScript Document
• i18n Support
• WebRTC with Browser Support
• Information Visualization

Server Side

• Built with ASP.NET 5
• Openbox OpenAPI 3 Support
• PostgreSQL for Database
• Redis for Cache
• ELK for Logging (consumes too much memory)
• Intergration Test with xUnit.net
• Stress Test with K6

API Design

All API docs and SDKs are generated automatically with OpenAPI.