FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /code

# Copy requirements and install them securely
COPY ./backend/requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Copy the rest of your backend folder into the container
COPY . /code/

# Set up paths so the app knows where to look
ENV PYTHONPATH=/code/backend:/code/backend/app:$PYTHONPATH

# Fire up the FastAPI server on Hugging Face's required port
CMD ["uvicorn", "backend.ml_service:app", "--host", "0.0.0.0", "--port", "7860"]