silverwind 9933ea0d92 feat: add configurable bind_workdir option with workspace cleanup for DinD setups (#810) ...

## Summary

Adds a `container.bind_workdir` config option that exposes the nektos/act `BindWorkdir` setting. When enabled, workspaces are bind-mounted from the host filesystem instead of Docker volumes, which is required for DinD setups where jobs use `docker compose` with bind mounts (e.g. `.:/app`).

Each job gets an isolated workspace at `/workspace/<task_id>/<owner>/<repo>` to prevent concurrent jobs from the same repo interfering with each other. The task directory is cleaned up after job execution.

### Configuration

```yaml
container:
  bind_workdir: true
```

When using this with DinD, also mount the workspace parent into the runner container and add it to `valid_volumes`:
```yaml
container:
  valid_volumes:
    - /workspace/**
```

*This PR was authored by Claude (AI assistant)*

Reviewed-on: https://gitea.com/gitea/act_runner/pulls/810
Reviewed-by: ChristopherHX <38043+christopherhx@noreply.gitea.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-committed-by: silverwind <me@silverwind.io>

2026-03-03 10:15:06 +00:00

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