# ============================================================================
# SALES BOT - Dockerfile
# ============================================================================
#
# Imagen base con Python 3.12 y Tesseract OCR
#

FROM python:3.12-slim

# Metadata
LABEL maintainer="sales-bot-team"
LABEL description="Sales Bot - Sistema de ventas con Mattermost y OCR"
LABEL version="1.0.0"

# Variables de entorno
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    DEBIAN_FRONTEND=noninteractive

# Instalar dependencias del sistema
RUN apt-get update && apt-get install -y --no-install-recommends \
    # Tesseract OCR
    tesseract-ocr \
    tesseract-ocr-eng \
    tesseract-ocr-spa \
    libtesseract-dev \
    # Dependencias de procesamiento de imágenes
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    libglib2.0-0 \
    libgl1 \
    # Utilidades
    curl \
    && rm -rf /var/lib/apt/lists/*

# Crear usuario no-root
RUN useradd -m -u 1000 -s /bin/bash salesbot

# Establecer directorio de trabajo
WORKDIR /app

# Copiar requirements primero (para aprovechar cache de Docker)
COPY requirements.txt .

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

# Copiar código de la aplicación
COPY --chown=salesbot:salesbot . .

# Crear directorio de logs
RUN mkdir -p /app/logs && chown -R salesbot:salesbot /app/logs

# Cambiar a usuario no-root
USER salesbot

# Exponer puerto
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:5000/health || exit 1

# Comando de inicio
CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "1", "--timeout", "60", "--access-logfile", "-", "--error-logfile", "-", "app:app"]