Finizi B4B MCP Server

# Production Dockerfile for Finizi B4B MCP Server on Cloud Run # Optimized for Python 3.11+ with multi-stage build # Build stage FROM python:3.11-slim as builder # Install uv for fast dependency management RUN pip install --no-cache-dir uv WORKDIR /app # Copy dependency files COPY pyproject.toml ./ # Install dependencies in a virtual environment RUN uv venv /opt/venv && \ . /opt/venv/bin/activate && \ uv pip install --no-cache -e . # Runtime stage FROM python:3.11-slim # Install security updates RUN apt-get update && \ apt-get upgrade -y && \ apt-get clean && \ rm -rf /var/lib/apt/lists/* # Create non-root user for security RUN useradd -m -u 1000 mcpuser WORKDIR /app # Copy virtual environment from builder COPY --from=builder /opt/venv /opt/venv # Copy application code COPY --chown=mcpuser:mcpuser src/ ./src/ COPY --chown=mcpuser:mcpuser app.py ./ # Set environment variables ENV PATH="/opt/venv/bin:$PATH" \ PYTHONUNBUFFERED=1 \ PYTHONDONTWRITEBYTECODE=1 \ PORT=8080 # Switch to non-root user USER mcpuser # Expose port (Cloud Run uses PORT env var) EXPOSE 8080 # Health check HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \ CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8080/health')" # Run the application CMD exec uvicorn app:app --host 0.0.0.0 --port ${PORT} --log-level info