# 🤖 GPT Local - Optimized Docker Container
FROM python:3.11-slim

# Metadata
LABEL maintainer="GPT Local Team"
LABEL description="Sistema de chat GPT local con Hugging Face"
LABEL version="1.0"

# Configurar variables de entorno
ENV PYTHONPATH=/app
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV HF_HOME=/app/.cache/huggingface
ENV TRANSFORMERS_CACHE=/app/.cache/huggingface
ENV TORCH_HOME=/app/.cache/torch

# Instalar dependencias del sistema
RUN apt-get update && apt-get install -y \
    curl \
    git \
    build-essential \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Crear directorio de trabajo
WORKDIR /app

# Copiar archivos de requirements primero (para cache de Docker)
COPY requirements.txt requirements-dev.txt ./

# Instalar dependencias Python
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copiar código fuente
COPY . .

# Crear directorios necesarios
RUN mkdir -p models models_cache logs .cache/huggingface .cache/torch

# Configurar permisos
RUN chmod +x *.py && \
    chmod +x *.sh 2>/dev/null || true

# Exponer puerto
EXPOSE 7860

# Healthcheck
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:7860/ || exit 1

# Comando por defecto (interfaz web)
CMD ["python3", "main.py"]