# Backend Development Dockerfile FROM python:3.12-slim ARG NODE_MAJOR=22 # Install system dependencies + Node.js (provides npx for MCP servers) RUN apt-get update && apt-get install -y \ curl \ build-essential \ gnupg \ ca-certificates \ && mkdir -p /etc/apt/keyrings \ && curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key -o /etc/apt/keyrings/nodesource.gpg \ && echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_${NODE_MAJOR}.x nodistro main" > /etc/apt/sources.list.d/nodesource.list \ && apt-get update \ && apt-get install -y nodejs \ && rm -rf /var/lib/apt/lists/* # Install Docker CLI (for DooD: allows starting sandbox containers via host Docker socket) COPY --from=docker:cli /usr/local/bin/docker /usr/local/bin/docker # Install uv from a pinned versioned image (avoids curl|sh from untrusted remote) COPY --from=ghcr.io/astral-sh/uv:0.7.20 /uv /uvx /usr/local/bin/ # Set working directory WORKDIR /app # Copy frontend source code COPY backend ./backend # Install dependencies with cache mount RUN --mount=type=cache,target=/root/.cache/uv \ sh -c "cd backend && uv sync" # Expose ports (gateway: 8001, langgraph: 2024) EXPOSE 8001 2024 # Default command (can be overridden in docker-compose) CMD ["sh", "-c", "uv run uvicorn src.gateway.app:app --host 0.0.0.0 --port 8001"]