# Hugging Face Spaces Dockerfile for FastAPI Backend
FROM python:3.10-slim

# Set working directory
WORKDIR /app

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

# Copy requirements first for caching
COPY requirements.txt .

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

# Copy application code
COPY . .

# Create non-root user for security (required by HF Spaces)
RUN useradd -m -u 1000 user
USER user

# Set environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONUNBUFFERED=1

# Expose port 7860 (Hugging Face Spaces default)

# Run FastAPI with uvicorn
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]