Baikal isn’t that powerful yet even for simple applications (search Russian videos about it on yt from unofficial channels). Also, almost nothing about it is Russian. The architecture is British, the manufacturer is Chinese. Though there’s a way less popular, but more Russian processor, Elbrus. They have their own architecture, though I’m not sure about the manufacturing.

Maybe it’s not started? sudo systemctl start docker.service Also you may not have access to the socket.

It’s the Git GUI in JetBrains’ IDEs.