cli/components/engine/docs/sources/commandline/command/commit.rst

title

Commit Command

description

Create a new image from a container's changes

keywords

commit, docker, container, documentation

commit -- Create a new image from a container's changes

Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY [TAG]]

Create a new image from a container's changes

  -m="": Commit message
  -author="": Author (eg. "John Hannibal Smith <hannibal@a-team.com>"
  -run="": Configuration to be applied when the image is launched with `docker run`. 
           (ex: '{"Cmd": ["cat", "/world"], "PortSpecs": ["22"]}')

Full -run example (multiline is ok within a single quote ')

$ sudo docker commit -run='
{
    "Entrypoint" : null,
    "Privileged" : false,
    "User" : "",
    "VolumesFrom" : "",
    "Cmd" : ["cat", "-e", "/etc/resolv.conf"],
    "Dns" : ["8.8.8.8", "8.8.4.4"],
    "MemorySwap" : 0,
    "AttachStdin" : false,
    "AttachStderr" : false,
    "CpuShares" : 0,
    "OpenStdin" : false,
    "Volumes" : null,
    "Hostname" : "122612f45831",
    "PortSpecs" : ["22", "80", "443"],
    "Image" : "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
    "Tty" : false,
    "Env" : [
       "HOME=/",
       "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
    ],
    "StdinOnce" : false,
    "Domainname" : "",
    "WorkingDir" : "/",
    "NetworkDisabled" : false,
    "Memory" : 0,
    "AttachStdout" : false
}' $CONTAINER_ID