FROM python:3.10-slim

# Create non-root user (required for Hugging Face Spaces) [citation:10]
RUN useradd -m -u 1000 user
WORKDIR /app

# Copy and install dependencies
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

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

# Switch to non-root user
USER user

# Set environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    HF_HOME=/tmp/huggingface-cache

# Hugging Face Spaces expects port 7860 by default [citation:4][citation:8]
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]