# Optimized Dockerfile for Hugging Face Spaces (under 50GB limit)
FROM python:3.11-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PIP_NO_CACHE_DIR=1
ENV PIP_DISABLE_PIP_VERSION_CHECK=1

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

# Set work directory
WORKDIR /app

# Copy requirements first for better caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY app.py .
COPY inference_api_app.py .

# Create non-root user for security
RUN useradd -m -u 1000 builderbrain && chown -R builderbrain:builderbrain /app
USER builderbrain

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

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