FROM python:3.11-slim

# Install system dependencies needed for compiling packages like reportlab or psycopg2 if necessary
RUN apt-get update && apt-get install -y \
    build-essential \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /code

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

COPY . /code

# Expose port 7860 (Hugging Face standard)
EXPOSE 7860

# Start Uvicorn pointing to the app module
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]