# Use Python 3.13.7 slim image for better performance and smaller size
FROM python:3.13.7-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

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

# Copy application files
COPY . .

# Create a non-root user for security
RUN useradd --create-home --shell /bin/bash app && chown -R app:app /app
USER app

# Expose the port that Hugging Face Spaces expects
EXPOSE 7860

# Command to run the application
CMD ["uvicorn", "fastapi_app:app", "--host", "0.0.0.0", "--port", "7860"]