`docker inspect` template to regenerate the `docker run` command that created a container

run.tpl

docker run \
  --name {{printf "%q" .Name}} \
    {{- with .HostConfig}}
        {{- if .Privileged}}
  --privileged \
        {{- end}}
        {{- if .AutoRemove}}
  --rm \
        {{- end}}
        {{- if .Runtime}}
  --runtime {{printf "%q" .Runtime}} \
        {{- end}}
        {{- range $b := .Binds}}
  --volume {{printf "%q" $b}} \
        {{- end}}
        {{- range $v := .VolumesFrom}}
  --volumes-from {{printf "%q" $v}} \
        {{- end}}
        {{- range $l := .Links}}
  --link {{printf "%q" $l}} \
        {{- end}}
        {{- if index . "Mounts"}}
            {{- range $m := .Mounts}}
  --mount type={{.Type}}
                {{- if $s := index $m "Source"}},source={{$s}}{{- end}}
                {{- if $t := index $m "Target"}},destination={{$t}}{{- end}}
                {{- if index $m "ReadOnly"}},readonly{{- end}}
                {{- if $vo := index $m "VolumeOptions"}}
                    {{- range $i, $v := $vo.Labels}}
                        {{- printf ",volume-label=%s=%s" $i $v}}
                    {{- end}}
                    {{- if $dc := index $vo "DriverConfig" }}
                        {{- if $n := index $dc "Name" }}
                            {{- printf ",volume-driver=%s" $n}}
                        {{- end}}
                        {{- range $i, $v := $dc.Options}}
                            {{- printf ",volume-opt=%s=%s" $i $v}}
                        {{- end}}
                    {{- end}}
                {{- end}}
                {{- if $bo := index $m "BindOptions"}}
                    {{- if $p := index $bo "Propagation" }}
                        {{- printf ",bind-propagation=%s" $p}}
                    {{- end}}
                {{- end}} \
            {{- end}}
        {{- end}}
        {{- if .PublishAllPorts}}
  --publish-all \
        {{- end}}
        {{- if .UTSMode}}
  --uts {{printf "%q" .UTSMode}} \
        {{- end}}
        {{- with .LogConfig}}
  --log-driver {{printf "%q" .Type}} \
            {{- range $o, $v := .Config}}
  --log-opt {{$o}}={{printf "%q" $v}} \
            {{- end}}
        {{- end}}
        {{- with .RestartPolicy}}
  --restart "{{.Name -}}
            {{- if eq .Name "on-failure"}}:{{.MaximumRetryCount}}
            {{- end}}" \
        {{- end}}
        {{- range $e := .ExtraHosts}}
  --add-host {{printf "%q" $e}} \
        {{- end}}
        {{- range $v := .CapAdd}}
  --cap-add {{printf "%q" $v}} \
        {{- end}}
        {{- range $v := .CapDrop}}
  --cap-drop {{printf "%q" $v}} \
        {{- end}}
        {{- range $d := .Devices}}
  --device {{printf "%q" (index $d).PathOnHost}}:{{printf "%q" (index $d).PathInContainer}}:{{(index $d).CgroupPermissions}} \
        {{- end}}
    {{- end}}
    {{- with .NetworkSettings -}}
        {{- range $p, $conf := .Ports}}
            {{- with $conf}}
  --publish "
                {{- if $h := (index $conf 0).HostIp}}{{$h}}:
                {{- end}}
                {{- (index $conf 0).HostPort}}:{{$p}}" \
            {{- end}}
        {{- end}}
        {{- range $n, $conf := .Networks}}
            {{- with $conf}}
  --network {{printf "%q" $n}} \
                {{- range $a := $conf.Aliases}}
  --network-alias {{printf "%q" $a}} \
                {{- end}}
            {{- end}}
        {{- end}}
    {{- end}}
    {{- with .Config}}
        {{- if .Hostname}}
  --hostname {{printf "%q" .Hostname}} \
        {{- end}}
        {{- if .Domainname}}
  --domainname {{printf "%q" .Domainname}} \
        {{- end}}
        {{- if index . "ExposedPorts"}}
            {{- range $p, $conf := .ExposedPorts}}
  --expose {{printf "%q" $p}} \
            {{- end}}
        {{- end}}
        {{- if .User}}
  --user {{printf "%q" .User}} \
        {{- end}}
        {{- range $e := .Env}}
  --env {{printf "%q" $e}} \
        {{- end}}
        {{- range $l, $v := .Labels}}
  --label {{printf "%q" $l}}={{printf "%q" $v}} \
        {{- end}}
    {{- if not (or .AttachStdin  (or .AttachStdout .AttachStderr))}}
  --detach \
    {{- end}}
    {{- if .AttachStdin}}
  --attach stdin \
    {{- end}}
    {{- if .AttachStdout}}
  --attach stdout \
    {{- end}}
    {{- if .AttachStderr}}
  --attach stderr \
    {{- end}}
    {{- if .Tty}}
  --tty \
    {{- end}}
    {{- if .OpenStdin}}
  --interactive \
    {{- end}}
    {{- if .Entrypoint}}
{{- /* Since the entry point cannot be overridden from the command line with an array of size over 1,
       we are fine assuming the default value in such a case. */ -}}
        {{- if eq (len .Entrypoint) 1 }}
  --entrypoint "
            {{- range $i, $v := .Entrypoint}}
                {{- if $i}} {{end}}
                {{- $v}}
            {{- end}}" \
        {{- end}}
    {{- end}}
  {{printf "%q" .Image}} \
  {{range .Cmd}}{{printf "%q " .}}{{- end}}
{{- end}}

Usage: docker inspect --format "$(<./run.tpl)" container_name_or_id

Thanks for you and for efrecon to bring us with this so helpful script. Thank you to let us know the usage pattern.

Is it possible to also got the args ?

docker container inspect 7dc403a17d87
[
    {
        "Id": "7dc403a17d87409197d61211d76f435c53db3215e4bcd529f1b0f80ba7e8dffd",
        "Created": "2022-04-28T08:49:52.207594733Z",
        "Path": "haproxy",
        "Args": [
            "-sf",
            "7",
            "-W",
            "-db",
            "-f",
            "/usr/local/etc/haproxy/haproxy.cfg"
        ],
...

Hi @cmoulliard . Could you tell if that case is not already covered in the .Cmd option (at the end)? In the example I have, .Args and .Cmd both show the same array.

To check the differences with the @efrecon 's version:

diff --unified \
  <(curl -sSL https://gist.githubusercontent.com/efrecon/8ce9c75d518b6eb863f667442d7bc679/raw/run.tpl) \
  <(curl -sSL https://gist.githubusercontent.com/ictus4u/e28b47dc826644412629093d5c9185be/raw/run.tpl)