three/docker-compose.yml at main · cconstab/three · GitHub

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services:
  # Database Tier - PostgreSQL
  database:
    image: postgres:15-alpine
    container_name: taskapp_db
    environment:
      POSTGRES_DB: taskmanager
      POSTGRES_USER: taskuser
      POSTGRES_PASSWORD: taskpass123
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./database/init.sql:/docker-entrypoint-initdb.d/init.sql
    networks:
      - taskapp_network
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U taskuser -d taskmanager"]
      interval: 10s
      timeout: 5s
      retries: 5

  # Application Tier - Node.js API
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: taskapp_api
    environment:
      NODE_ENV: production
      PORT: 3001
      DB_HOST: database
      DB_PORT: 5432
      DB_NAME: taskmanager
      DB_USER: taskuser
      DB_PASSWORD: taskpass123
      HOST_IP: ${HOST_IP:-localhost}
      FRONTEND_URL: http://${HOST_IP:-localhost}:3000
    ports:
      - "3001:3001"
    depends_on:
      database:
        condition: service_healthy
    volumes:
      - ./backend/src:/app/src
      - ./backend/server.js:/app/server.js
      - ./backend/healthcheck.js:/app/healthcheck.js
    networks:
      - taskapp_network
    restart: unless-stopped

  # Presentation Tier - React Frontend
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
      args:
        REACT_APP_API_URL: http://${HOST_IP:-localhost}:3001
    container_name: taskapp_web
    environment:
      REACT_APP_API_URL: http://${HOST_IP:-localhost}:3001
      CHOKIDAR_USEPOLLING: "true"
      HOST: 0.0.0.0
      # Secure host configuration - only allow specific hosts
      ALLOWED_HOSTS: ${HOST_IP:-localhost},localhost,127.0.0.1,0.0.0.0
    ports:
      - "3000:3000"
    depends_on:
      - backend
    volumes:
      - ./frontend/src:/app/src
      - ./frontend/public:/app/public
    networks:
      - taskapp_network
    restart: unless-stopped

volumes:
  postgres_data:

networks:
  taskapp_network:
    driver: bridge