github.com/flavio/docker@v0.1.3-0.20170117145210-f63d1a6eec47/man/src/container/export.md (about)

     1  Export the contents of a container's filesystem using the full or shortened
     2  container ID or container name. The output is exported to STDOUT and can be
     3  redirected to a tar file.
     4  
     5  Stream to a file instead of STDOUT by using **-o**.
     6  
     7  # EXAMPLES
     8  Export the contents of the container called angry_bell to a tar file
     9  called angry_bell.tar:
    10  
    11      # docker export angry_bell > angry_bell.tar
    12      # docker export --output=angry_bell-latest.tar angry_bell
    13      # ls -sh angry_bell.tar
    14      321M angry_bell.tar
    15      # ls -sh angry_bell-latest.tar
    16      321M angry_bell-latest.tar
    17  
    18  # See also
    19  **docker-import(1)** to create an empty filesystem image
    20  and import the contents of the tarball into it, then optionally tag it.