- Docker in a Docker (DinD) with sysbox
- Remove volume
/var/lib/docker
- Upgrade to Ubuntu 20.04 (Focal)
- Remove git ppa (now unnecessary on Focal #6)
- Remove now unnecessary dependencies from apt-get.
- Remove unused build args
- Update docs to explain sysbox dependency
- Fix runner user creation to have the habitual home folder path
- Update runner to v2.277.1