# Use a slim official Python image
FROM python:3.12-slim

# Hugging Face Spaces runs on port 7860
EXPOSE 7860

# Create a non-root user for security
RUN useradd -m -u 1000 appuser

WORKDIR /app

# Copy dependency list first (better layer caching)
COPY requirements.txt .

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

# Copy the rest of the application files
COPY . .

# Set correct ownership
RUN chown -R appuser:appuser /app

USER appuser

# Start the FastAPI app via Uvicorn on port 7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]