FROM python:3.11-slim

# SO deps necesarias para audio/vídeo/OCR
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg libsndfile1 libsm6 libxext6 libgl1 tesseract-ocr build-essential sqlite3 libsqlite3-dev \
 && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Crear directorios para caché y dar permisos
RUN mkdir -p /app/data/.cache /app/data/.deepface /app/data/.config/matplotlib \
 && chmod -R 777 /app/data

# Variables de entorno para que librerías escriban en /app/data
ENV HOME=/app/data \
    DEEPFACE_HOME=/app/data/.deepface \
    MPLCONFIGDIR=/app/data/.config/matplotlib \
    TRANSFORMERS_CACHE=/app/data/.cache/huggingface \
    HF_HOME=/app/data/.cache/huggingface \
    XDG_CACHE_HOME=/app/data/.cache \
    PORT=7860

# Mejora estabilidad de instalación de wheels
RUN pip install --no-cache-dir --upgrade pip setuptools wheel

# Instala deps primero (mejor cacheo)
COPY requirements.txt /app/
RUN pip install --no-cache-dir -r requirements.txt

# Copia el código
COPY . /app

# Lanza FastAPI
CMD ["uvicorn", "api:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]