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 in binary mode to avoid compiler blocks
COPY ./requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt --only-binary :all:

# Copy the rest of the application files
COPY . /code

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