Docker export

External

• https://docs.docker.com/engine/reference/commandline/export/

Internal

• Docker Concepts | Difference Between Containers and Images - a Writable Layer
• Image Operations

Overview

Exports a container's file system as a tar archive (it only works with containers, not images).

docker export <container-id> -o /tmp/fs.tar

Both running and stopping containers can be exported this way.