# Imagen base ligera con Python
FROM python:3.11-slim

# Evitar prompts interactivos
ENV DEBIAN_FRONTEND=noninteractive \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# Instalar deps del sistema necesarias para faiss/numpy
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential g++ git wget \
    && rm -rf /var/lib/apt/lists/*

# Crear directorio app
WORKDIR /app

# Copiar archivos
COPY requirements.txt /app/
RUN pip install --no-cache-dir -r requirements.txt

COPY app.py /app/
COPY code /app/code
COPY data /app/data
RUN chmod 777 /app/code

# Variables por defecto (puedes cambiarlas en "Settings -> Variables" del Space)
ENV CSV_PATH=/app/data/songs.csv \
    HF_HOME=/app/code/ \
    GENRE_NAME="Rock & Roll" \
    EMBEDDING_MODEL="sentence-transformers/all-MiniLM-L6-v2" \
    LLM_MODEL="google/flan-t5-small" \
    USE_LLM=1 \
    PORT=7860 \
    HF_HUB_DISABLE_TELEMETRY=1

# Exponer el puerto requerido por Spaces
EXPOSE 7860

# Arranque del servidor
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]