FROM python:3.12-slim

# Evitar escritura de bytecode y habilitar buffer stdout directo para logs en tiempo real
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

# Instalar dependencias del sistema mínimas requeridas (curl para healthcheck)
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copiar manifiesto de dependencias e instalarlas
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Crear directorio persistente para SQLite
RUN mkdir -p /app/data

# Copiar código fuente
COPY . .

# Exponer puerto configurado
EXPOSE 8001

# Chequeo de salud del contenedor
HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8001/health || exit 1

# Ejecutar Uvicorn en modo producción con 2 workers
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8001", "--workers", "2", "--proxy-headers", "--forwarded-allow-ips", "*"]
