We built EtchaOS for this use case--small, immutable, in memory variants of Fedora, Debian, Ubuntu, etc bundled with Docker. It makes a great CI runner for Git

We built EtchaOS for this use case--small, immutable, in memory variants of Fedora, Debian, Ubuntu, etc bundled with Docker. It makes a great CI runner for GitHub Actions, and plays nicely with caching: https://etcha.dev/etchaos/ https://etcha.dev/etchaos/