FROM python:3.11-slim

WORKDIR /code

# Install system libraries needed for database drivers
RUN apt-get update && apt-get install -y \
    build-essential \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install dependencies
COPY ./requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt --only-binary :all:

# Copy all files into a backend/ subfolder inside the container to match python import paths
COPY . /code/backend

# Set the Python path to include the root /code directory
ENV PYTHONPATH=/code

# Hugging Face Spaces routes internal traffic to port 7860
CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "7860"]