Anyone got any good tips on how to run github action workflows locally or self-hosted? Incidents like this make me want to self-host our CI/CD. I'm confused as

Anyone got any good tips on how to run github action workflows locally or self-hosted? Incidents like this make me want to self-host our CI/CD. I'm confused as to the difference between https://github.com/nektos/act https://github.com/nektos/act and https://github.com/actions/runner https://github.com/actions/runner Is it not possible to use 'runner' to run github actions locally? The docs for this seem like they are extremely sparse - probably because this competes with the paid option?