Docker does handle snapshots of running processes. It's called checkpoint/restore, it utilizes the CRIU tooling to do this. In terms of doing this in a CI env

Docker does handle snapshots of running processes. It's called checkpoint/restore, it utilizes the CRIU tooling to do this. In terms of doing this in a CI env like actions where you may have different types of machines serving you, it may be problematic as the machine specs need to pretty closely match.