Backport #25256 by @thezzisu
In this pull request, the following changes are addressed:
- State user should create `config.yaml` before start container to avoid
errors.
- Provided instructions to deploy runners using docker compose.
Co-authored-by: Zisu Zhang <thezzisu@gmail.com>
If a user starts a runner using a Docker image without making additional
configurations, the [cache action](https://github.com/actions/cache)
will not work properly.
Therefore, add a section in the documentation that explains how to
configure the cache correctly.
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