It does and it doesn't. The interface is pretty different. Using containerd directly as a binary is pretty rough around the edges, but docker uses it as a libra

It does and it doesn't. The interface is pretty different. Using containerd directly as a binary is pretty rough around the edges, but docker uses it as a library. In particular the CRI implementation works, but leaves a lot to be desired. Their release cycle is also pretty lengthy, such that each minor release has a ton of changes, resulting in a lot of work to integrate into your infra.