# Dockerfile для ЕГЭ Парсера ФИПИ
# Multi-stage build для оптимизации размера

FROM python:3.10-slim as base

# Рабочая директория
WORKDIR /app

# Переменные окружения
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    TRANSFORMERS_CACHE=/tmp/transformers \
    HF_HOME=/tmp/huggingface

# Установка системных зависимостей
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Копирование requirements
COPY requirements.txt .

# Установка Python зависимостей (кэширование слоя)
RUN pip install --no-cache-dir -r requirements.txt

# Копирование кода
COPY . .

# Загрузка spaCy модели
RUN python -m spacy download ru_core_news_md || true

# Порт по умолчанию
EXPOSE 7860

# Команда запуска
CMD ["python", "app.py"]

# ============================================================
# Development stage (опционально)
# ============================================================

FROM base as dev

# Установка dev зависимостей
RUN pip install pytest pytest-cov black flake8 mypy

# Команда для разработки
CMD ["python", "-m", "uvicorn", "app:app", "--reload", "--host", "0.0.0.0", "--port", "7860"]

# ============================================================
# Production stage (опционально)
# ============================================================

FROM base as prod

# Создание не-root пользователя
RUN useradd -m -u 1000 appuser && \
    chown -R appuser:appuser /app
USER appuser

# Production команда
CMD ["python", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "4"]