version: '3.8'

services:
  postgres:
    image: postgres:15-alpine
    container_name: wifi_etl_db
    environment:
      POSTGRES_DB: wifi_etl
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql:ro
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  etl:
    build:
      context: ..
      dockerfile: infra/Dockerfile
    container_name: wifi_etl_worker
    env_file:
      - ../.env
    depends_on:
      postgres:
        condition: service_healthy
    environment:
      DB_HOST: postgres
    volumes:
      - etl_logs:/var/log
    restart: unless-stopped

volumes:
  postgres_data:
  etl_logs: