version: '3.8'

services:
  # PostgreSQL Database
  postgres:
    image: postgres:15-alpine
    container_name: speedometer-db
    environment:
      POSTGRES_DB: ${DB_NAME:-speedometer_db}
      POSTGRES_USER: ${DB_USER:-speedometer_user}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-speedometer_password}
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./backend/db/migrations:/docker-entrypoint-initdb.d
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-speedometer_user} -d ${DB_NAME:-speedometer_db}"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - speedometer-network

  # Backend API Server
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: speedometer-backend
    environment:
      DB_HOST: postgres
      DB_PORT: 5432
      DB_NAME: ${DB_NAME:-speedometer_db}
      DB_USER: ${DB_USER:-speedometer_user}
      DB_PASSWORD: ${DB_PASSWORD:-speedometer_password}
      PORT: 3001
      NODE_ENV: production
      FRONTEND_URL: http://localhost:3000
      MIN_SPEED: ${MIN_SPEED:-0}
      MAX_SPEED: ${MAX_SPEED:-120}
      SPEED_VARIATION: ${SPEED_VARIATION:-5}
    ports:
      - "3001:3001"
    depends_on:
      postgres:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "node", "-e", "require('http').get('http://localhost:3001/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s
    networks:
      - speedometer-network
    restart: unless-stopped

  # Frontend React Application
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
      args:
        REACT_APP_API_URL: http://localhost:3001
        REACT_APP_WS_URL: http://localhost:3001
    container_name: speedometer-frontend
    ports:
      - "3000:80"
    depends_on:
      - backend
    healthcheck:
      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:80/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 10s
    networks:
      - speedometer-network
    restart: unless-stopped

volumes:
  postgres_data:
    driver: local

networks:
  speedometer-network:
    driver: bridge