version: '3.8'

services:
  # MySQL Database
  mysql:
    image: mysql:8.0
    container_name: langchain-mysql
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD:-123456}
      MYSQL_DATABASE: ${MYSQL_DATABASE:-langchain_learning}
    ports:
      - "3306:3306"
    volumes:
      - mysql_data:/var/lib/mysql
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-p${MYSQL_ROOT_PASSWORD:-123456}"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - langchain-network

  # FastAPI Application
  api:
    build:
      context: .
      dockerfile: Dockerfile
      target: production
    container_name: langchain-api
    env_file:
      - .env
    environment:
      DATABASE_URL: mysql+pymysql://root:${MYSQL_ROOT_PASSWORD:-123456}@mysql:3306/${MYSQL_DATABASE:-langchain_learning}
      FAISS_BASE_PATH: /app/data/faiss_indexes
    ports:
      - "${API_PORT:-8000}:8000"
    volumes:
      - faiss_data:/app/data/faiss_indexes
    depends_on:
      mysql:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s
    networks:
      - langchain-network
    restart: unless-stopped

  # Development API (optional - use with docker-compose -f docker-compose.yml -f docker-compose.dev.yml up)
  api-dev:
    build:
      context: .
      dockerfile: Dockerfile
      target: development
    container_name: langchain-api-dev
    env_file:
      - .env
    environment:
      DATABASE_URL: mysql+pymysql://root:${MYSQL_ROOT_PASSWORD:-123456}@mysql:3306/${MYSQL_DATABASE:-langchain_learning}
      FAISS_BASE_PATH: /app/data/faiss_indexes
      DEBUG: "true"
    ports:
      - "8001:8000"
    volumes:
      - ./src:/app/src
      - ./scripts:/app/scripts
      - faiss_data:/app/data/faiss_indexes
    depends_on:
      mysql:
        condition: service_healthy
    networks:
      - langchain-network
    profiles:
      - dev

networks:
  langchain-network:
    driver: bridge

volumes:
  mysql_data:
    driver: local
  faiss_data:
    driver: local