# Dockerfile for Nadlan-MCP HTTP Server
# Supports deployment to Render, Railway, Docker, and other container platforms

FROM python:3.13-slim

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

# Set working directory
WORKDIR /app

# Install system dependencies if needed
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

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

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

# Copy application code
COPY nadlan_mcp/ ./nadlan_mcp/
COPY run_http_server.py .
COPY README.md .

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

# Expose port (will be overridden by PORT env var in production)
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:${PORT:-8000}/health')" || exit 1

# Run the HTTP server
CMD ["python", "run_http_server.py"]