# Use Python 3.10 slim image for smaller size
FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Set PYTHONPATH to ensure imports work correctly
ENV PYTHONPATH=/app

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

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy application code
COPY . .

# Expose port (Hugging Face Spaces uses port 7860 by default, but we'll use PORT env var)
EXPOSE 7860

# Set environment variables
ENV HOST=0.0.0.0
ENV PORT=7860
ENV RELOAD=False

# Run the application
# Hugging Face Spaces sets PORT environment variable automatically
# Note: WORKDIR is already set to /app above, and main.py adds /app to sys.path
CMD ["sh", "-c", "uvicorn main:app --host 0.0.0.0 --port ${PORT:-7860}"]