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luccast merged 1 commit into from
Jan 28, 2026
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docs(readme) - added info on host networking for users who have gatew… #16

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14 changes: 13 additions & 1 deletion README.md
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Expand Up @@ -28,8 +28,10 @@ docker run -d \
ghcr.io/luccast/crabwalk:latest
```

> Note: When running Crabwalk in Docker, the Clawdbot gateway typically runs on the *host*.
> Note: When running Crabwalk in Docker, the Moltbot gateway typically runs on the *host*.
> Use `CLAWDBOT_URL=ws://host.docker.internal:18789` so the container can connect.
>If you're running Moltbot with `bind: loopback` and `tailscale serve` for secure tailnet-only access, you'll need to run the crabwalk container with host networking - replace `p:3000:3000` with `--network host`
>This allows the container to reach 127.0.0.1:18789 while maintaining the security benefits of loopback-only binding.

Or with docker-compose:

Expand All @@ -38,6 +40,8 @@ curl -O https://raw.githubusercontent.com/luccast/crabwalk/master/docker-compose
CLAWDBOT_API_TOKEN=your-token CLAWDBOT_URL=ws://host.docker.internal:18789 docker-compose up -d
```

> If gateway is `bind: loopback` only, you will need to edit the `docker-compose.yml` to add `network_mode: host`

### From source

```bash
Expand Down Expand Up @@ -74,6 +78,14 @@ Or copy it directly:
export CLAWDBOT_API_TOKEN=$(python3 -c "import json,os; print(json.load(open(os.path.expanduser('~/.clawdbot/clawdbot.json')))['gateway']['auth']['token'])")
```

## Accessing from a remote host

If you are running this on a remote server and accessing it through a non-local browser, the default allowedHosts behaviour will prevent access to the web UI.

If running in docker, you can pass the environment variable `ALLOWED_HOSTS` with a comma-separated list of hosts you wish to allow access to the crabwalk UI.

If running from source, you can either pass `ALLOWED_HOSTS` as an env var at the command line, or use a .env file.

## Stack

TanStack Start, ReactFlow, Framer Motion, tRPC, TanStack DB