FROM python:3.11-slim

WORKDIR /app

# Dependencias del sistema necesarias para pyodbc (via FreeTDS) y psycopg2
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    unixodbc \
    unixodbc-dev \
    freetds-dev \
    freetds-bin \
    tdsodbc \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Registrar el driver FreeTDS bajo el nombre "SQL Server" (el que usa data_manager.py)
RUN printf "[SQL Server]\nDescription = FreeTDS Driver\nDriver = /usr/lib/x86_64-linux-gnu/odbc/libtdsodbc.so\nSetup = /usr/lib/x86_64-linux-gnu/odbc/libtdsS.so\nFileUsage = 1\n" > /etc/odbcinst.ini

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

EXPOSE 8001

CMD ["python", "main.py"]