Docker Architecture

Three containers run on the same isolated bridge network (openclaw_9router_net):

┌─────────────────────────────────────────────┐
│           openclaw_9router_net              │
│                                             │
│  ┌──────────┐   ┌──────────┐               │
│  │ openclaw │   │ 9router  │               │
│  │ :18789   │   │ :20128   │               │
│  └────┬─────┘   └──────────┘               │
│       │ curl http://opentrader-bot:8000     │
│       ▼                                     │
│  ┌─────────────────┐                        │
│  │  opentrader-bot │  (internal port)       │
│  │  FastAPI :8000  │                        │
│  └─────────────────┘                        │
└─────────────────────────────────────────────┘

OpenClaw agents call the bot via HTTP rather than invoking python3 directly — completely separating the Python runtime from the Node.js container.