Docker Helper

dc_trace_cmd.sh

#!/bin/sh
parent=`docker inspect -f '{{ .Parent }}' $1` 2>/dev/null
level=${2:-1}
echo ${level}: `docker inspect -f '{{ .ContainerConfig.Cmd }}' $1 2>/dev/null`
level=$((level+1))
if [ "${parent}" != "" ]; then
  echo ${level}: $parent
  $0 $parent $level
fi

docker-trace.sh

#!/bin/bash
docker history --no-trunc "$1" | \
sed -n -e 's,.*/bin/sh -c #(nop) \(MAINTAINER .*[^ ]\) *0 B,\1,p' | \
head -1
docker inspect --format='{{range $e := .Config.Env}}
ENV {{$e}}
{{end}}{{range $e,$v := .Config.ExposedPorts}}
EXPOSE {{$e}}
{{end}}{{range $e,$v := .Config.Volumes}}
VOLUME {{$e}}
{{end}}{{with .Config.User}}USER {{.}}{{end}}
{{with .Config.WorkingDir}}WORKDIR {{.}}{{end}}
{{with .Config.Entrypoint}}ENTRYPOINT {{json .}}{{end}}
{{with .Config.Cmd}}CMD {{json .}}{{end}}
{{with .Config.OnBuild}}ONBUILD {{json .}}{{end}}' "$1"

dockerfile-from-image

docker run --rm -v /var/run/docker.sock:/var/run/docker.sock  dduvnjak/dockerfile-from-image  yogendra/blog-toolbox:latest

docker history --no-trunc --format '{{.CreatedBy}}' image