Dockerfile

# HuggingFace Spaces — FastAPI
# Base image: slim Python 3.11
FROM python:3.11-slim

# HuggingFace Spaces runs as a non-root user (uid 1000).
# Create the user + working directory up-front so file ownership is correct.
RUN useradd -m -u 1000 appuser

WORKDIR /app

# Install dependencies as root first (faster layer caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application source
COPY app.py .

# Switch to non-root user required by HuggingFace Spaces
USER appuser

# HuggingFace Spaces expects the service to listen on port 7860
EXPOSE 7860

# Start uvicorn
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]