# Use official Python runtime as base image
FROM python:3.9-slim

# Create a non-root user as required by Hugging Face Spaces
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Set working directory
WORKDIR /home/user/app

# Copy requirements file first (for caching)
COPY --chown=user requirements.txt requirements.txt

# Install dependencies
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy the application code
COPY --chown=user . /home/user/app

# Run the FastAPI app on port 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]