Question 119
### How can you determine if an action is a container action by looking at its action.yml file?
> https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions#runs-for-docker-container-actions
1. [x] `runs.using` has `docker` as value
1. [ ] `runs.using` has `container` as value
1. [ ] `runs.using` has `Dockerfile` as value
1. [ ] `runs.main` has `container` as value